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Solved: Can't Remove Windows.old Folder in Windows 10

Posted on Jan 22, 2018 by Brithny to Partition Master

Windows.old folder is taking more space but you cannot remove Windows.old folder in Windows 10? Professional solutions are available here for you to properly delete, delete or clean up Windows.old folder from Windows 10 with ease now.

Problem: Can't delete or remove Windows.old folder

"Can anyone of you tell me how remove or clean up Windows.old folder in Windows 10? I heard that sometimes, Windows 10 would rollback to the previous OS from Windows.old folder without asking permission. So I want to delete the .old folder from my PC? If you know how, please help me."

Windows.old folder is usually regarded as a safeguard for copying your previous OS when you update to a new Windows system, which can be used to rollback to previous system state when unexpected problems happen to your new Windows system. However, some Windows users may properly don’t need the files at all or they don’t want to keep the folder which may take more than 15GB space on your PC. So how to thoroughly remove the Windows.old folder in Windows 10? Follow below-offered tips, you’ll be able to clean up the Windows.old folder without losing any data.

Tip: Create a system image and data backup before removing Windows.old folder 

In order to avoid unexpected system trouble or data loss error after removing Windows.old folder from Windows 10, it’s highly recommended for you to back up the system and create data backup to an external hard drive. This will save space on your PC and help you out of system failure error with the system image. 

Professional Windows backup software may help. Here you may try EaseUS Todo Backup which allows you to free backup Windows system and data within 30 days. Simple clicks will do.

Step 1. Check and fix system error before cleaning up Windows.old folder

In order to smoothly delete or remove Windows.old folder from Windows 10 without any obstacles, it’s highly recommended for you to check and fix system errors firstly. Professional partition manager software shall be your best choice. 

You may free download EaseUS Partition Master Free to directly fix system error with ease.

1. Launch EaseUS Partition Master Free and right-click the partition that you want to check by clicking "Check partition".
2. Choose the way that you want to use to check partition: Check Partition Properties, Call Windows Chkdsk to fix errors, Surface Test.
Click OK.

Check and fix system error before remove Windows.old folder.

3. Let EaseUS Partition Master automatically check hard disk partition errors and repair errors for you. Click OK to finish the process.

Fix system error before removing Windows.old folder in Windows 10.

Step 2. Show hidden Windows.old folder in Windows

Before starting to remove Windows.old folder, you shall follow the tutorial to show hidden Windows.old folder on your PC in advance:

  • Type: hidden in Search bar and click Show hidden files and folders;
  • Click View in Folder Options, tab Hidden files and folders in Advanced settings and click Show hidden files and folders;
  • Uncheck Hide empty drives in the computer folders, Hide extensions for known file types, Hide protected operating system files;
  • Click Apply and OK.

Step 3. Use Disk Cleanup to delete Windows.old folder in Windows 10

Windows.old folder cannot just directly delete by hitting the delete key and you may try to use Disk Cleanup tool in Windows to remove this folder from your PC:

  • Press Windows + E, click This PC;
  • Right-click the drive with Windows installation and click Properties;
  • Click Disk Cleanup and select Clean up system;
  • Select the Previous Windows Installation(s) option to delete Windows.old folder;
  • You can also choose to delete other installation files including Windows upgrade log files and Temporary Windows installation files etc;
  • Click OK and select Delete Files on the pop-up dialog to confirm the deletion;
  • Click Yes.

Extra tip: delete Windows.old folder in Windows 10 Command Prompt

  • Type:CMD in the search and hit Ctrl+Shift+Enter to open Command Prompt as administrator;
  • Click Yes when UAC dialog shows up;
  • Type: RD /S /Q %SystemDrive%\windows.old in the Command Prompt and hit Enter.

Then Windows.old folder will be deleted in Windows 10 without any obstacles. One thing that you should note is that do remember to launch Command Prompt as administrator.