How to Partition a Hard Drive in Windows 8 and 8.1?

February 1, 2019

You may need to partition hard drive in Windows 8 or 8.1 for a better using. Here we will introduce you a powerful partition manager that can help you partition hard drive in Windows 10/8/7 easily..

Why we need to partition a Windows 8 or 8.1 hard drive? On the one hand, it is for data safety - if your Windows 8/8.1 hard drive only has one partition including Windows, boot files, programs, documents, photos and so on, when there is something wrong with your system, all data on the partition may be lost. On the other, hard drive partitioning can make full use of disk space and will be more convenient for us to assort different kinds of files and documents, and make our computer run smoothly.

1. Only one partition on the hard drive.

If there is only one partition on the hard drive, you need to divide more partitions for difference uses and data safety. You may assign one as the system partition and the others as data partitions. This could improve the performance of your computer and make you manage your files in a more efficient way.

2. A new hard drive.

Imagine that you just purchased a new hard drive, There is no doubt that the first thing you need to do is to create several individual partitions and store different data. Partitioning in Windows 8 or 8.1 must be easy to achieve with the partitiion software. That'll guarantee you the good perforemance of your computer in the future. Also, for further use, the conversion between FAT32 and NTFS must be completely safe.

3. Redistribute disk space.

After installing some applications and Windows updates, system partition (C: drive) may run out of disk space, but there is much more unused space in other partitions, such as D: partition. In such case, you can partition hard drive to make system partition bigger by taking disk space from D: to C: drive.

No matter for what reason, Windows 8 and 8.1 Disk Management and a third-party free partition manager software can help you partition a Windows 8 or 8.1 hard drive without formatting or reinstalling system.

Disk Management is a built-in tool of Windows 8 or 8.1. It is able to shrink volume, extend partition, create partition, format partition. But the limitation of this tool is that you are only allowed to extend a partition to contiguous unallocated space on the right side, otherwise, "Extend Volume" option will be grayed out. The following will take "shrink a partition and create a partition" for example.

  • Open Windows 8 or 8.1 Disk Management by pressing "Windows + R" and typing "diskmgmt.msc". In the pop-up window, right click on a partition and select "Shrink Volume".
  • In the pop-up window, enter the amount of space to shrink.
  • Click "Shrink" and we can get an unallocated space. Then, right click on it and select "New Simple Volume". Then, we can partition a new volume in Windows 8 or 8.1 by following the guidance. More details about partitioning Windows 8 with Disk Management - click here.

Although Windows 8/8.1 Disk Management utility can partition a new volume, it still has some shortcomings. But partition manager like AOMEI Partition Assistant is a professional and advanced software to partition a hard drive in Windows 8 or 8.1, not only includes basic features, but also advanced features, such as Move Partition, Merge Partitions, Disk Copy Wizard and so on. Furthermore it can work well with all Windows operating systems.

Download free to have a try.

The following will take "extend a partition" and "create a partition" for example to guide you how to use AOMEI Partition Assistant to partition a hard drive of Windows 8.

Extend a Partition

Step1: Launch the software and choose "All Tools"->"Extend Partition Wizard" on the left wizards tab. In the pop-up window, there are two options available to choose, here we take "Extend system partition" for example.

All Tools

Step2: Here you will get into Extend Partition Wizard, and then click "Next".

Click Next

Step3: You need to select a method to extend your partition. Here we choose "Extend system partition", and then click "Next".

Extend Partition Method

Step4. Then, you can specify the new size of the partition that you are extending.

Extend Size

Step5. Finally, click Proceed to execute the task.


Create a Partition

Step1: Install and launch AOMEI Partition Assistant, and then right click on a partition which has enough free disk space (here is E drive) and select "Create Partition".

Create Partition

Step2: In the pop-up window, you can change drive letter and manually adjust the size of new partition by inputting exact size or dragging the slider bar leftwards or rightwards. In addition, you can also enter a partition label, select partition type (primary or logical) and file system by clicking "Advanced".

Resize Partition

Step3:Click "OK". You will find that Windows 8 or 8.1 hard drive has a new partition. Click "Apply" to commit the operations.


The magic partition software – AOMEI Partition Assistant Professional Edition is more easy-to-use and advanced in comparison to Windows 8/8.1 Disk Management to partition a hard drive in Windows 8 and 8.1. You can divide a hard drive into different drives in Windows 8 with its powerful fetures split partition. Besides, you can use it to format partition, delete partition, even merge partitions. Please free download it and experience the other powerful features.