Open Gallery in File Explorer, then click the Collection menu in the actions bar. Click on Manage collection to see which folders are being tracked for Gallery and the option to add or remove folders.

Open the File: Run Bitberry File Opener and select "Open" from the File menu to choose your WIM file. You can also drag and drop the file onto the Bitberry File Opener window.

Navigate to the folder or file you want to move. Right-click the file or folder and choose Cut from the context menu. If you have multiple windows or tabs open, you can also click and drag a file from ...