

For example, if you download and run the media creation tool, it creates a $WINDOWS.~BT folder with a few setup log files. In fact, you’ll see both folders after upgrading to Windows 10–both Windows.old and $WINDOWS.~BT folders. It’s similar to the Windows.old folder, which contains files from your previous Windows installation. These files are used to downgrade to a previous version of Windows, or a previous build of Windows 10. (2017 article excerpts for WT-WS) On Windows 10, the $WINDOWS.~BT folder contains your previous Windows installation. My first Search results for - $WINDOWS.~BT & ~WS.
