6 Ways to Fix Windows 11 Update Not Enough Space

Learn to solve Windows 11 update not enough space problem to release more free space on the disk.


By Lucas / Updated on May 26, 2023

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As a successor to Windows 10, Windows 11 has been released in 2021, and now Windows 11 will update to the 22H2 version (Sun Valley 2), and lots of Windows users are planning to upgrade to experience the new system in this update. But, the hardware requirements of Windows 11 requirements block some users.

Windows 11 requirements

One of the barriers is the storage space. How many GB is Windows 11 update?

According to the official requirements as the about picture shows, the system drive needs 64GB or larger free space. 64GB is the minimum condition for storing Windows 11 upgrade, the actual demand must be more, users will have to empty more space to improve the success rate of upgrade.

If you have Windows 11 update not enough space issue, don’t worry, in this post, we’ll show you 6 solutions to release storage space to help you.

3 ways to fix Windows 11 update not enough space via Windows

In this part, we’ll introduce 3 ways in detail to free up disk space with Windows.

Way 1. Clean hibernate file

Hibernate is a function that’s activated by default. When hibernation is activated, it will occupy some of your disc space for its file – the hiberfil.sys file. The hiberfil. sys file will employ about 75% of resources on the RAM.

You can delete this file manually, and it won’t do any harm to your PC.

Step 1. Type “command prompt” in the Search Box, right-click Command Prompt, and choose “Run as administrator”.

Step 2. In the pop-up window, type “powercfg.exe -h off” and Press “Enter”.

disable hibernation

Then you can check your C drive to check the storage space.

Way 2. Do a Disk Cleanup

Disk Cleanup is a tool in Windows itself. You can use it to delete system files, system installation, Recycle Bin…

Step 1. In File Explorer, right-click C: drive and choose “Properties”.

Step 2. Click “Disk Cleanup” in the new window and select the files you want to clean.

Step 3. Then click “OK”.

Cleanup disk

strong>Warning: You might delete important files, don’t forget to check the file before you clean it up.

Way 3. Delete Temp folder

The “Temp” folder is stored in the C drive, and it will save more and more data with your daily use. The temporary files are stored in “C:\Windows\Temp”, or “C:\Documents and Settings\username\Local Settings\Temp”. You can delete these two folders to free up some space on the C drive.

Delete temp folders

3 methods to fix Windows 11 update not enough space via a handy tool

However, files are not the criminal being blamed, large programs are. The large programs stored in your C drive will take away much more space than files. And the other reason is the small C drive capacity. If your C drive has a poor capacity, then extend will be a nice solution.

But, no matter migrating installed programs or extend the capacity of the C drive both are not easy-operating methods for many users. When you install a program, it will generate some files that separate in the C drive, once you lost them during the migration, this program won’t boot successfully.

As for extending the C drive, you can try Disk Management. But, it asks for an unallocated space right behind your C drive, otherwise, it won’t work.

Thus, a powerful versatile tool is what you need. AOMEI Partition Assistant Professional is exactly what you need. This multifunctional software can detect all files that a program needs and move them with the program, and allows users to use free space on other drives to extend C drive capacity.

Free Download Win 11/10/8.1/8/7/XP
Secure Download

Now, let’s see what this convenient tool can do to solve Windows update not enough disk space problem.

Method 1. Move programs to another place without reinstalling

The first function we’ll show you is “App Mover”. It allows users to move installed applications from one drive to another one or an external drive without any bother of reinstalling.

Step 1. Install and run AOMEI Partition Assistant, click “Free up” and choose “App Mover” at the top menu.

App Mover

Step 2. In the pop-up window, select C drive and then click “Next”.

Select partition

Step 3. All movable apps on C drive will be listed. Choose one or multiple apps that you want to move and the destination partition. Then click “Move”.

Tick App

Step 4. Confirm that you have closed the apps that you will move. Then, click "OK".


Step 5. Wait for the move process to complete. Then, click "Finish".

Finish move

Method 2. Allocate free space

This feature is to use the free space on another drive to extend C drive capacity, and it doesn’t need an unallocated space right behind the C drive.

Step 1. Install and launch AOMEI Partition Assistant. The interface will show you the basic information about your disks. Right-click the drive which has free space, select “Allocated Free Space”.

Allocate free space

Step 2. In the pop window, you can allocate free space from D drive to C drive. After setting up, click "OK".

Allocate from C to D

Step 3. Click "Apply" and "Proceed" to execute the progress.


Method 3. Merge partition

If your disk has an unallocated space, but it isn’t right behind the C drive, AOMEI Partition Assistant can also help you. “Merge Partition” function can merge discontinuous unallocated space to the drive you wish to extend.

Step 1. Launch AOMEI Partition Assistant, right-click C drive, select  "Advanced' and “Merge Partitions”.

Merge partition

Step 2. Tick the unallocated space to add it to the C drive.

C to D

Step 3. Click "Proceed" and “Apply” to execute the operation.

Apply merge

To sum up

Now you have 6 methods to fix Windows 11 update, not enough space issues. As you can see, AOMEI Partition Assistant Professional provides users with flexible methods to solve this problem. What’s more, this practical tool has many other functions like converting MBR to GPT for Windows 11 upgrade, secure erase SSD, migrate OS to another disk, and create a Windows 11 to go USB… With the help of this tool, you can easily and securely manage your disk and partitions.

Lucas · Staff Editor
I prefer peaceful and quiet life during vacation,but sometimes I watch football match if my favorite club performs brilliantly in that season. And I love reading, painting and calligraphy, thus I send my friends festival handwriting cards every year.