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Can I delete content of Windows Installer? - Microsoft Q&A
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Delete Windows.old and $Windows.~BT using Disk Cleanup - Linglom.com
How to Delete Windows Installer Folder and Files? - Rene.E Laboratory
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How to Delete the Windows.old folder in Windows 7/8/10
Windows 10 Help Forums
Vijaraniya-The Hackers - How to remove Windows.old folder? If you install Windows 7 by performing a custom installation and don't format the partition during the installation process, files that were used in