How to Delete the Windows.old folder on Windows 10

Can I delete my Windows old folder windows 10?

Or Even the same problem after upgrade toWindows 10 21H2 update.

Thats because Windows installs a completely new version and keeps the old one around namedwindows.oldfolder.

This copy is a safeguard mechanism in case something goes wrong during the installation process.

Or just in case you want togo back (downgrade) to the previous version.

Contents

What Is the Windows.old Folder?

old folderto the same hard disk space.

File Explorer will result in a lot of permission denied errors.

Because this is a special folder that can only be deleted from the disk cleanup software.

To do this, Run Command Prompt as administrator.

takeown /F C:Windows.old* /R /A

cacls C:Windows.old*.