Maybe you need to migrate OS when:

• Install the same OS on another disk/another computer.
• Backup the OS for protection.
• Change the disk on your computer for faster reading and writing speed.

What is the Migrate OS to SSD or HDD Wizard:

Migrate OS to SSD or HDD Wizard is designed for users who want to quickly migrate operating system from old hard drive to a new one or SSD without reinstalling Windows operating system and application, and it also supports MBR and GPT disks.

What users say?

“Tried many-many time using Acronis but FAILED. Even with only 92GB of OS and DATA on a 500GB HDD. Then use AOMEI Wizards Migrate OS to SSD clone once again. After PA SE cloning completed, Laptop will auto reboot(HDD OS) even with SSD still connected via USB no problem. After booted in Windows, shut down the Laptop. Remove old HDD from the Laptop bay and replace it with new SSD. HOLA! ITS WORKED! SSD 50sec boot time compared to HDD 4minutes!”

Maybe you need to migrate OS when:

• Install the same OS on another disk/another computer.
• Backup the OS for protection.
• Change the disk on your computer for faster reading and writing speed.

What is the Migrate OS to SSD or HDD Wizard:

Migrate OS to SSD or HDD Wizard is designed for users who want to quickly migrate operating system from old hard drive to a new one or SSD without reinstalling Windows operating system and application, and it also supports MBR and GPT disks.

What users say?

“Tried many-many time using Acronis but FAILED. Even with only 92GB of OS and DATA on a 500GB HDD. Then use AOMEI Wizards Migrate OS to SSD clone once again. After PA SE cloning completed, Laptop will auto reboot(HDD OS) even with SSD still connected via USB no problem. After booted in Windows, shut down the Laptop. Remove old HDD from the Laptop bay and replace it with new SSD. HOLA! ITS WORKED! SSD 50sec boot time compared to HDD 4minutes!”

Maybe you need to migrate OS when:

• Install the same OS on another disk/another computer.
• Backup the OS for protection.
• Change the disk on your computer for faster reading and writing speed.

What is the Migrate OS to SSD or HDD Wizard:

Migrate OS to SSD or HDD Wizard is designed for users who want to quickly migrate operating system from old hard drive to a new one or SSD without reinstalling Windows operating system and application, and it also supports MBR and GPT disks.

What users say?

“Tried many-many time using Acronis but FAILED. Even with only 92GB of OS and DATA on a 500GB HDD. Then use AOMEI Wizards Migrate OS to SSD clone once again. After PA SE cloning completed, Laptop will auto reboot(HDD OS) even with SSD still connected via USB no problem. After booted in Windows, shut down the Laptop. Remove old HDD from the Laptop bay and replace it with new SSD. HOLA! ITS WORKED! SSD 50sec boot time compared to HDD 4minutes!”

Maybe you need to migrate OS when:

• Install the same OS on another disk/another computer.
• Backup the OS for protection.
• Change the disk on your computer for faster reading and writing speed.

What is the Migrate OS to SSD or HDD Wizard:

Migrate OS to SSD or HDD Wizard is designed for users who want to quickly migrate operating system from old hard drive to a new one or SSD without reinstalling Windows operating system and application, and it also supports MBR and GPT disks.

What users say?

“Tried many-many time using Acronis but FAILED. Even with only 92GB of OS and DATA on a 500GB HDD. Then use AOMEI Wizards Migrate OS to SSD clone once again. After PA SE cloning completed, Laptop will auto reboot(HDD OS) even with SSD still connected via USB no problem. After booted in Windows, shut down the Laptop. Remove old HDD from the Laptop bay and replace it with new SSD. HOLA! ITS WORKED! SSD 50sec boot time compared to HDD 4minutes!”

Maybe you need to migrate OS when:

• Install the same OS on another disk/another computer.
• Backup the OS for protection.
• Change the disk on your computer for faster reading and writing speed.

What is the Migrate OS to SSD or HDD Wizard:

Migrate OS to SSD or HDD Wizard is designed for users who want to quickly migrate operating system from old hard drive to a new one or SSD without reinstalling Windows operating system and application, and it also supports MBR and GPT disks.

What users say?

“Tried many-many time using Acronis but FAILED. Even with only 92GB of OS and DATA on a 500GB HDD. Then use AOMEI Wizards Migrate OS to SSD clone once again. After PA SE cloning completed, Laptop will auto reboot(HDD OS) even with SSD still connected via USB no problem. After booted in Windows, shut down the Laptop. Remove old HDD from the Laptop bay and replace it with new SSD. HOLA! ITS WORKED! SSD 50sec boot time compared to HDD 4minutes!”

Disk Clone is Necessary When:

• Make a full duplicate or backup of the disk for your need.
• Upgrade an older system disk to a new.
• Replace your old hard drive with a new hard drive or SSD.

What is the Disk Clone Wizard

Disk Clone Wizard is a very convenient function that can help you clone disk to another new HDD or SSD directly, and ensure Windows boot from the copied disk successfully.

What users say?

"I recently used your Partition Assistant Professional to replace my old HDD with SSD! I copied my system HDD to the new SSD. It worked very well! After booted in Windows, shut down the Laptop. Remove old HDD from the Laptop bay and replace it with new SSD. HOLA! ITS WORKED! SSD 50sec boot time compared to HDD 4minutes! I have also recommended it to a friend that probably has more need for partition tools than I do."

Disk Clone is Necessary When:

• Make a full duplicate or backup of the disk for your need.
• Upgrade an older system disk to a new.
• Replace your old hard drive with a new hard drive or SSD.

What is the Disk Copy Wizard

Disk Clone Wizard is a very convenient function that can help you clone disk to another new HDD or SSD directly, and ensure Windows boot from the copied disk successfully.

What users say?

"I recently used your Partition Assistant Professional to replace my old HDD with SSD! I copied my system HDD to the new SSD. It worked very well! After booted in Windows, shut down the Laptop. Remove old HDD from the Laptop bay and replace it with new SSD. HOLA! ITS WORKED! SSD 50sec boot time compared to HDD 4minutes! I have also recommended it to a friend that probably has more need for partition tools than I do."

Split partition is necessary when:

• Only one partition on your hard drive.
• Too many data categories need to be sorted.
• Hard drive partition size is not reasonable.
• ......

What is the Split Partition:

Split partition is an easy-to-use feature. Only 3 steps, you can easily split one large partition into multiple parts to save different kinds of files without any data losing.

What users say?

“AOMEI Partition Assistant is really simple to understand and use, mostly I use it to resize or split partitions and the performance is quite stable and reliable. The process didn’t take long and most importantly, without any problems! Got to say it’s one of the very few free software that actually working things out! Many Thanks!” --Max

The necessity of GPT or MBR

• Convert MBR system disk to GPT disk so as to enjoy the newest Windows 11 OS successfully.
• Convert the MBR disk to GPT for breaking the 2TB limit of MBR disks and utilizing larger disks.
• Convert the MBR disk to GPT to create more than 4 primary partitions up to 128 partitions.
• Convert the GPT to MBR disk because some systems cannot support GPT disk.

What is the Convert MBR and GPT disk?

Partition Assistant is designed to convert the MBR disk to GPT disk or convert the GPT disk to MBR disk directly without deleting the partitions or wiping the drive. It is safe and fast.

What users say?

“I basically gave up on trying to switch my HDD to GPT without formatting it. I downloaded AOMEI partition assistant and it switched it in seconds without deleting all my stuff! The most important thing is that there is no data loss, it is 100% safe. Partition Assistant was the clear winner. It was unbelievable how fast the conversion was to GPT and how friendly the user interface is. I love you! Thanks!”

You have to allocate free space when:

• Target partition space is insufficient and needs to be expanded urgently.
• Keep fewer partitions on the hard disk and make the management of your disks easier.
• Make full use of the space you have by allocating the unallocated space on the hard disk to the existing partition.
• Shrink the source partition and make all the partitions on the disk seem in average size.

What is the Allocate Free Space?

Allocating free space can help you to redistribute free partition space. Which has improved the traditional way of resizing partition and users could allocate free space from one partition to another to enlarge the destination partition.

What users say?

“After installing a 1TB hard drive on my laptop, I transferred the data from my old 250GB hard drive to the new one. When I checked the new drive it showed only a 250GB size. Research lead me to the fact that I needed free up the unallocated space. Seemed simple. None of the several other programs I tried. Your AOMEI Partition Assistant is easy to use and work ideally!!! Now I have use of the full 1TB of space.”

Why need to convert the dynamic to basic disk?

It’s fairly difficult to convert a dynamic disk to basic. This is because the Windows disk manager doesn’t support converting a dynamic disk which contains volume(s) or partition(s) into a basic disk, and it will only allow you to convert those disks which contain no volumes or partitions.

What is the Convert the Dynamic and Basic Disk

AOMEI Partition Assistant supports to convert a dynamic disk which contains systems and partitions into basic disk without data loss, and it is bootable all the time after you finish the operation.

What users say?

“With much investigating I discovered there were third party options to convert to dynamic disk to basic without losing data. However, AOMEI Partition Assistant is clearly outstanding. The process of converting was incredibly fast and it’s really easy for anyone to use and safe for data”

You need to recover the partition when:

• Deleted and damaged due to hardware/software failure.
• Virus attack or other unknown reason to make partition table corrupt.
• Clean commands via incorrect Diskpart
• Loss of the volume label, drive letter, or partition name.
• Hard drive changes due to an upgrade.

What is the Easy Partition recovery wizard

It’s a feature designed to recover partition safely and easily. Fast search helps you quickly recover deleted or lost partition. Full search will scan each sector of the selected disk for recovery.

What users say?

“Hey AOMEI Team your software pulled me from deep shit. suddenly all the partition of my disk has been deleted. I was frustrated and feared I was literally shaking because there was tons of data with my family photos that didn't have a backup. So I search for a solution and find out AOMEI Partition Assistant to recover deleted data... All the partition has been recovered without any data lost... I was literally crying... I don't how to show my graduate there is no word in English to thank you... I will suggest all my friends to buy your software.” --- Sanusi

You need to Rebuild MBR when:

You may get the error message “system missing”, "operating system not found" or "Invalid partition table" from time to time when you boot up your system. Actually, this does not mean that your system does not exist; such errors are most likely caused by damaged Master Boot Record (MBR).

Repair MBR Easily with AOMEI Partition Assistant

Rebuild MBR is a powerful feature that can help you to repair corrupted MBR to the computer and solve the above errors without destroying any data.

What users say?

“Thank you, thank you, thank you. It has fixed the problem BEAUTIFULLY! I will gladly post a review of the product, which incidentally I think is very user friendly and in just 5 mins of using it and a reboot I had a problem, "operating system not found", FIXED. It has been a rare and special experience dealing with AOMEI. I am very impressed with your company. ”----- G. Hellriegel

You need to wipe hard drive or partition when:

• Sell your old disks to others and don't want to become a victim of privacy leak.
• Erase all confidential data on the disk or partition to prevent others recovering.
• Worry about there is a virus or ransomware on a second-hand disk before using it.

Wipe Partition Easily with AOMEI Partition Assistant

Wipe Partition can erase all the data on a partition to prevent others to use those deleted data by recovering. This function can fully ensure the security of your private and sensitive data by destroying all data on that partition safely and permanently.

What users say?

“Without knowing the function of the disk wipe, I did suffer the tedious and tiresome work before. That happened when I just entered college and had my own PC. When I tend to sell my old computer, I try my best to delete all the partitions on the disk, but my friends tell me that all my data can be recovered. That is to say, we need to erase the data ultimately. Finally, with the help of Partition Assistant, it is much easier and faster. This software even allows me to erase the disk with one click.” ------ Rober

What is the Quick Partition

Quick Partition feature is specially designed to quickly repartition a hard drive, which runs smoothly in PC, Server, and Windows PE systems. It applies to partition a new hard drive or repartition a hard drive that contains partitions already.

Specify each partition when do use Quick Partition

Users can specify each partition size, type, volume label, etc. With only a few easy operations, a hard drive will be partitioned and formatted. If you don't want to change the default partition count, type, label, open "Quick Partition" window and click "Start Partitioning", and then the disk will be repartitioned and formatted quickly.

What users say?

“I downloaded AOMEI partition assistant and it does re-partition my disk in seconds which even though there are many partitions in my disk. Partition Assistant was the clear winner and it is the partition manager I love most. It was unbelievable how fast and easy the operation was to partition one disk and how clear the user interface is.”

The necessity of creating windows PE Bootable :

When you encountered the situation that your current operating system fails to boot, the best way to fix this problem is to create a bootable CD based on Windows PE.

The advantages of making bootable media

Windows PE Bootable media enables you to start a computer for deployment and recovery. It is very useful to troubleshoot computer problems and recover data when the native system fails to boot. Once you have booted into Windows PE, you can reformat or modify the hard drive and then copy the Windows PE source files to the hard drive.

What users say?

“It has fixed the problem that "operating system not found" Perfectly! I create the bootable media with AOMEI Partition Assistant to rebuild the MBR in WinPE and the problem is fixed in just 5 mins of using it. I will gladly post a review of the product, which incidentally I think is very user friendly. It has been a rare and special experience dealing with AOMEI. I am very impressed with your company. ”-----Richard

Why do you need to align partition?

If your SSD alignment is not OK, things like known small file occupies large disk storage in data partition, or system programs and applications run slowly even if you just upgrade hard drive to SSD will appear.Moreover, it will shorten the SSD lifespan in the long-term.

Safe to align partition with AOMEI Partition Assistant

Align Partition, as it is generally understood, is to indicate the proper alignment of partition. This function is specially designed to accelerate the reading and writing speed for your hard disk, both Hard Disk Drive (HDD) and Solid State Drive (SSD). Thus, it greatly improves the operating speed of your disks and increases the efficiency of your computer.

What users say?

“I have a deep understanding of the benefits of aligning partitions. My work asks for a fast working step. But my computer always let me down and worked slow, especially when transfer data. I did try to find the reason but did not succeed. Once when I chat with a friend online, accidentally I knew what the exact reason can be. He recommends AOMEI Partition Assistant to me, and teaches me how to realign partition. I did as he told me and it did work; my computer runs much faster than before. Now, I never worry about my work being affected by my computer anymore.” -- Michal

Why Convert Logical Partition to Primary

Primary partition can be created on the basic disk. The files and data needed to start a computer are included in the primary partition on its hard disk. Besides, if you want to install OS on a certain hard disk, it must have at least one primary partition on it, you can convert the logical partition to primary partition with AOMEI Partition Assistant.

Why Convert Primary Partition to Logical

It is also a partition type for saving data which is different from a primary partition. Each primary partition has its own boot block while logical partition has not. As for MBR (Main Boot Record) disk, it just supports 4 primary partitions. If you need to have more partitions, you need to convert at least one partition to the logical one, please try the AOMEI Partition Assistant.

What users say?

“I have been trying to convert the primary partition to logical partitions as I want to create 5 partitions to use, but it is MBR disk. The important thing is that this program does it quickly and no data loss. I am so happy I tried your product and will recommend it to anyone who needs to modify their partitions.”--Khalifa

Maybe you need to extend partition when：

• Get a "low disk space" warning because of the insufficient space of your C drive.
• The performance of the computer is hindered due to low disk space.

Easy to Extend Partition with AOMEI Partition Assistant

Extend Partition can help you to extend partitions in few clicks. It could extend partitions with not just adjacent space and optimize your disk. This feature is suitable not only for those who are professional technicians but also for those who have less knowledge of computers.

What users say?

“Just used Partition Assistant to increase the size of my C Drive! The extend partition wizard is very useful. The process didn’t take long and most importantly, without any problems! Got to say it’s one of the very few software that working things out!Many Thanks! ”----- Richard

The necessity of Win ToGo Creator

As is well known, Windows To Go is only available in Windows 11/10/8.1/8 Enterprise Edition. If you are not the user of the above system, the Win ToGo Creator can help you to get benefits.

Why do you need AOMEI Partition Assistant?

With the Win ToGo Creator, you can install your customized Windows 11/10, 8.1/8 or 7 on removable USB flash drives and external hard drives to boot it from any computer on which you want to use Windows 10, 8.1/8, or 7. You don't have to buy Windows 10/8.1/8 Enterprise Edition to create a Windows To Go USB drive.

What users say?

“Hy Guys! I was in serious trouble when I want to install the windows 10 system in one USB. Finally I find your AOMEI Partition Assistant through the website and download it to try. It creates the Win 10 to go quickly and it boots perfectly. ”----- Zetan

The necessity of Secure Erase SSD

• Restore SSD to Original Performance: SSD’S performance may be degraded with time.
• Secure Erase SSD Without Hurting It: Regular format cannot really clean the SSD and it will actually hurt your SSD’s lifespan.
• Protect Privacy: Secure erase SSD ensures the data on SSD is unrecoverable and won’t hurt its lifespan.

What is Secure Erase SSD?

The way to write data on an SSD is entirely different from that on traditional HDD. If you use the way for wiping an HDD to wipe an SSD, it will reduce the SSD’s performance and shorten its lifespan. Secure Erase SSD is especially for SSD erasing that all data stored on the SSD storage device will be completely cleaned in a few seconds and then the SSD at its original ideal performance level.

What users say?

“Last day, I used Partition Assistant to secure erase my SSD. It has been cleared and its performance also be optimized. Love your Backupper and Partition Assistant software. Thanks so much for this software and your very good support team and developers that know what they are doing. Thanks so much. I will always use your software.” -----Jessica

The Necessary of System Disk Clone

• Make a full duplicate or backup of system disk for your need.
• Upgrade an older system disk to a newer.
• Replace a smaller system disk with a larger one.

What is System Disk Clone?

System Disk Clone can help you to clone system hard drive to another HDD or SSD without reinstalling Windows. It allows you to Clone GPT/UEFI system disk to another GPT/UEFI or MBR HDD/SSD, or Clone MBR system disk to another GPT/UEFI HDD/SSD, or Clone MBR system disk to another MBR HDD/SSD, and ensure Windows boot from destination disk successfully.

What users say?

"There are many situations that you need to do system disk Clone. First, make a full duplicate or backup of system disk for your need. Second, upgrade an older system disk to a newer one. Third, replace a smaller system disk with a larger one. No matter what situations, Clone system disk can help you replace old system disk with new HDD or SSD without reinstalling Windows, and you can directly boot your computer from the destination disk after that." -----Tim

The Necessary of System Disk Clone

• Make a full duplicate or backup of system disk for your need.
• Upgrade an older system disk to a newer.
• Replace a smaller system disk with a larger one.

What is System Disk Clone?

System Disk Clone can help you to clone system hard drive to another HDD or SSD without reinstalling Windows. It allows you to copy GPT/UEFI system disk to another GPT/UEFI or MBR HDD/SSD, or copy MBR system disk to another GPT/UEFI HDD/SSD, or copy MBR system disk to another MBR HDD/SSD, and ensure Windows boot from destination disk successfully.

What users say?

"There are many situations that you need to do system disk copy. First, make a full duplicate or backup of system disk for your need. Second, upgrade an older system disk to a newer one. Third, replace a smaller system disk with a larger one. No matter what situations, copy system disk can help you replace old system disk with new HDD or SSD without reinstalling Windows, and you can directly boot your computer from the destination disk after that." -----Tim

The Necessary of System Disk Clone

• Make a full duplicate or backup of system disk for your need.
• Upgrade an older system disk to a newer.
• Replace a smaller system disk with a larger one.

What is System Disk Clone?

System Disk Clone can help you to clone system hard drive to another HDD or SSD without reinstalling Windows. It allows you to copy GPT/UEFI system disk to another GPT/UEFI or MBR HDD/SSD, or copy MBR system disk to another GPT/UEFI HDD/SSD, or copy MBR system disk to another MBR HDD/SSD, and ensure Windows boot from destination disk successfully.

What users say?

"There are many situations that you need to do system disk copy. First, make a full duplicate or backup of system disk for your need. Second, upgrade an older system disk to a newer one. Third, replace a smaller system disk with a larger one. No matter what situations, copy system disk can help you replace old system disk with new HDD or SSD without reinstalling Windows, and you can directly boot your computer from the destination disk after that." -----Tim

The Necessary of System Disk Clone

• Make a full duplicate or backup of system disk for your need.
• Upgrade an older system disk to a newer.
• Replace a smaller system disk with a larger one.

What is System Disk Clone?

System Disk Clone can help you to clone system hard drive to another HDD or SSD without reinstalling Windows. It allows you to copy GPT/UEFI system disk to another GPT/UEFI or MBR HDD/SSD, or copy MBR system disk to another GPT/UEFI HDD/SSD, or copy MBR system disk to another MBR HDD/SSD, and ensure Windows boot from destination disk successfully.

What users say?

"There are many situations that you need to do system disk copy. First, make a full duplicate or backup of system disk for your need. Second, upgrade an older system disk to a newer one. Third, replace a smaller system disk with a larger one. No matter what situations, copy system disk can help you replace old system disk with new HDD or SSD without reinstalling Windows, and you can directly boot your computer from the destination disk after that." -----Tim

The Necessary of System Disk Clone

• Make a full duplicate or backup of system disk for your need.
• Upgrade an older system disk to a newer.
• Replace a smaller system disk with a larger one.

What is System Disk Clone?

System Disk Clone can help you to clone system hard drive to another HDD or SSD without reinstalling Windows. It allows you to copy GPT/UEFI system disk to another GPT/UEFI or MBR HDD/SSD, or copy MBR system disk to another GPT/UEFI HDD/SSD, or copy MBR system disk to another MBR HDD/SSD, and ensure Windows boot from destination disk successfully.

What users say?

"There are many situations that you need to do system disk copy. First, make a full duplicate or backup of system disk for your need. Second, upgrade an older system disk to a newer one. Third, replace a smaller system disk with a larger one. No matter what situations, copy system disk can help you replace old system disk with new HDD or SSD without reinstalling Windows, and you can directly boot your computer from the destination disk after that." -----Tim

The Necessity of Create Portable Version:

With the Create Portable Version, you can directly launch and run AOMEI Partition Assistant software from a removable device such as USB flash drive on other computers without re-installing it. Easy to take AOMEI Partition Assistant everywhere and maintain tons of computers conveniently as an IT support and engineers.

What is Create Portable Version?

Create Portable Version is to copy AOMEI Partition Assistant software to a removable device so that users can use it on any other computers without installing it.

What users say?

“After copying the AOMEI Partition Assistant to my USB flash drive, I can take it everywhere and help maintain all computers in my company easily and conveniently as an IT support engineer. Make my daily work as easy as a pie. Very useful software with many fantastic functions.”--Khalifa

The Necessity of "Schedule Defrag":

When you make frequent writes and deletions from your hard disk, then your disks will become fragmented with time. Fragmentation of the disks will result in lower I/O performance. In order to prevent great decrease in computer performance over time, it is best to schedule a defrag to automatically run periodically.

What is "Schedule Defrag"?

Set up a schedule that will automatically perform the disk defrags by daily, weekly, monthly or event triggers. Compared with the manual defragmentation, it saves much time and effort.

What users say?

"I am a heavy user and use the computer about eight hours a day for my work. Lots of disk fragmentation makes my computer take a much longer time to boot up or respond, which slow down my working efficiency as well. It is not possible to defragment the hard drive manually every day. However, now with AOMEI Partition Assistant, i can easily create a weekly schedule to make it run automatically even if i am away from my computer."--Patricia