Sep 08, 2015 Laptops How to delete the Windows.old folder from Windows 10. If you upgraded your PC from a previous version of Windows, consider getting rid of this. The Windows.old folder contains important system files that may no longer be needed after upgrading to Windows 10. Here's how to delete Windows.old.

If you performed a refresh of Windows 10, upgrade to Windows 10, or a custom install of Windows 10 on the same partition as the previous Windows installation without doing a, then you will have a C: Windows.old folder in your new installation afterwards. The Windows.old folder contains a copy of the previous Windows installation, and can be quite large in size. If you already had a C: Windows.old folder in the installation that you performed a refresh, upgrade install, or a custom install on, then it may be renamed to say C: Windows.old.(1) (older previous installation) in addition to the latest C: Windows. Hilti Profis Installation Download. old folder.