Easily Free Up Disk Space on Windows 10/8/7

July 22, 2019

This tutorial demonstrates the methods about easily free up disk space on Windows 10/8/7 and analyzes when you need to free up disk space.


“I have a Windows 10 computer used for three years, it works well for a long time. But recently, I find that the operating system runs very slow. And the disk space become limited day after day. I cannot successfully updates/upgrades software. So, how to free up disk space on Windows 10? Is there any idea about this question?”

When you need to free up disk space?

Many computer users may encounter the problem that the free space on the disk becomes less no matter how large the disk is. Because some page files, temporary files, and other system files may take up space on the system partition. Then, the system runs slow. If you save large files to C drive that you are not aware of, the space of C drive will get not enough. At this time, you need to free up the disk space.

If you find you cannot successfully updates/upgrades software, or you cannot store mote data/files due to smaller storage space, free up disk space is necessary too.

How to free up disk space on Windows 10/8/7?

How to free up disk space on Windows 10/8/7? The methods of this question are below:

Method 1. Deleted hibernate file

Windows reserves about half of the RAM space for the hibernation file. If the computer RAM is 8GB, the hibernation file is about 4GB in size. The steps of delete hibernate file is:

1. Go to start menu, type “cmd” and right click it to run as administrator.

2. Type “powercfg.exe-h off” and press “Enter”.

Hibernate OFF

Then, you will see a few more gigabytes of free space on system drive.

Method 2. Uninstall some programs

Windows has many built-in programs (especially in Windows 10), and you may never use some of them. So, you can uninstall the programs that you do not actually need. And you can also uninstall the programs that won’t be needed in the future to free up space.

1. Click the start button.

2. Then, click “Control Panel” > “Programs” > “Programs and Features”.

Then, you can right click on the program you want to uninstall and select Uninstall.

Method 3. Clean disk

You can also free up space of C drive by empty it.

1. Click “Start”, type “disk” in the search box and select “Disk Cleanup”.

2. In the “Disk Cleanup”, select the drive you want to clean up. Then, click “OK”.

3. After that, it will calculate how much space you will be able to free on C drive.

4. Finally, choose to delete files you do not need.

Method 4. Empty the Recycle Bin

when you delete a file or folder on your PC, it doesn't get permanently deleted—it goes to the Recycle Bin. So, you can free up space by tapping or clicking Empty Recycle Bin to completely/permanently delete the unnecessary items. This operation can free up some space on your disk.

Method 5. Transfer data to external storage drive

If there are too much important files on the disk, and you don’t want to lose them. You can transfer the data to an external storage drive and then delete the original data on the disk. Copy and Paste is the traditional method. If you think it is not convenient, you can turn to a third party software to transfer data to external storage drive.

Method 6. Extend the partition without data loss

If there is still not enough space on the disk after all the solutions above, you can try the next method. Usually, there will be extra free space on other partitions. And you can add some space to system partition from another partition on the same hard drive. A powerful third party software can help you to extend the partition without delete the partition behind it. Here AOMEI Partition Assistant Professional is highly recommended, which provides users many powerful functions like allocated free space. With the help of it, you can easily free up disk space on Windows 10/8/7, Windows XP, as well as Windows Vista. The following example will show you the specific steps of using the free space in D drive to extend C drive:

Step 1. Install and run AOMEI Partition Assistant Professional. Right click the D drive and select “Allocated Free Space”.

Allocated Free Space

Step 2. In the pop-up window, you can allocate free space from D drive to C drive. And click “OK”.

Extend C Drive

Step 3. Finally, click “Apply” > “Proceed” to execute the progress.

Tips: If you encounter the problem c drive full, you can also use another function of AOMEI Partition Assistant – Merge Partition to solve the issue too.


Now, you know how to free up disk space on Windows 10/8/7. Besides Allocated Free Space, AOMEI Partition Assistant Pro also provides you many other useful functions like Resize Partition, Wipe Hard Drive, Partition Recovery Wizard and so on. If the operating system of your computer is Windows Server, please turn to AOMEI Partition Assistant Server to enjoy more advanced features.