Remove Windows.old without Disk Cleanup

This, the first blog post, is how to remove the Windows.Old folder after an in-place upgrade of your windows operating system. Traditionally you would use Disk Cleanup – but what if you do not have Disk Cleanup on your machine and you can’t afford down time!?

1. Take Ownership of the folder

  • Right click Windows.Old and select properties, then navigate to the Security tab and click Advanced. 
  • Next to Owner click Change

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  • Type the name of the user account that will be performing the delete, click Check Names and OK
  • The next part is Key:  Tick the “Replace owner on subcontainers and objects” box before clicking Apply, and OK

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  • Once this is in place, the rest should be pretty much the same as any other folder changes

2. Add Permissions to the folder

  • Right Click the Windows.old folder and select Properties then navigate to Security. Click Edit and then in the new dialogue box, click “Add” 
  • Search for the user, as you did in section one (Type the user account, Click Check Names, and then OK)
  • Tick “Allow” for Full Control then click Apply and OK
  • Click Advanced and then select Change Permissions
  • In the dialogue box that appears, click Replace all child object permission entries with inheritable permissions from this object and click Apply, then OK

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  • Click OK on all open dialogue boxes

3. Delete the folder

  • Select the Windows.old Folder
  • Hold down the shift key, and press delete.
  • When prompted, confirm that you want to delete the folder by clicking Yes

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