How to delete windows.old in windows 7

How to use the Disk Cleanup feature to delete the Windows.old folder after you install Windows Vista or 7.

or use Command Prompt

Click Start/ All Programs/ Accessories/right-click “Command Prompt“, and then click Run as administrator.

run following 3 commands on command prompt

takeown /F c:Windows.old* /R /A
Then Type:
cacls c:Windows.old*.* /T /grant administrators:F
Then Type:
rmdir /S /Q c:Windows.old


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