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How to Delete windows.old Folder to Save Disk Space

2016-08-08 16:09:04 Posted by Abby Haines to Partition Manager

Run out of disk space but can not remove windows.old folder? This page tells you how to delete windows.old folder after Windows 10 upgrade or reinstalling to save disk space.

Can you delete windows.old folder?

Every time when you upgrade from Windows 7, Windows 8 or Windows 8.1 or any other older version of Windows to Windows 10 or reinstalling Windows 10, you will find that the install wizard created a "Windows.old" folder on your computer. Then what is Windows.old folder? Can you delete it? Actually, Windows.old folder is a full copy of your old Windows installation which holds user profiles, installed program & settings and all personal files. It is created in case something goes wrong or you want to revert back. But at the same time, it also occupies several gigabytes of precious storage. If you have little free space, you may want to delete Windows.old folder from your computer. This operation can help you free up at least 15GB of wasted space on your hard drive. Usually, it’s ok if everything is working as expected after upgrading to Windows 10. Next, we will show you how to do it in two easy ways. 

Note: Deleting Windows.old folder will prevent you rolling back to previous Windows version. If you are not sure, we recommend you to copy/move windows.old to external drive to free up disk space. 

Delete windows.old folder using Windows 10 Disk Cleanup

Usually, windows.old folder is considered as system files. So if you try to delete the Windows.old directory using File Explorer, the OS will prevent you from doing so. This fact makes it is difficult for you to delete windows.old folder. But don’t worry! Windows 10 Disk Cleanup can help you do it with ease. 

To delete windows.old with Windows 10 Disk Cleanup, follow these steps: 

1. Go to Start and type 'Disk Cleanup'.
2. Open Disk Cleanup and select your main system drive.
3. In Disk cleanup, select "Clean up system files".
4. Select the file types to get rid of. To get a description of the file type, select it.
5. Select "OK".

Delete windows.old folder with EaseUS partition software

You can also try EaseUS partition tool, an easy and efficient solution for Windows 10 disk cleanup to delete windows.old folder. It can clean junk files from the system (including windows.old folder), generated when browsing the web or produced by applications to save or free up disk space. Being a safe program, it won’t cause any new trouble. 

To delete Windows.old with EaseUS partition software, follow these steps:

1. Launch EaseUS partition tool and click "Cleanup and Optimization". Then choose "Junk File Cleanup".

2. Click "Analyze" to let EaseUS partition tool to find junk files in your PC.

3. Check and choose the junk files you want to clear up and then click "Clean up". Here "System Junk Files" contains windows.old folder. 

Delete windows.old folder with EaseUS partition software