You may open multiple files with that Shortcut, if you want. Next, tap the Markup button (a pen tip inside a circle) at the bottom, and you'll see a bunch of tools on the screen.

If the WIM file contains multiple images, you will be prompted to select an image to open. Extract Files: Click the "Extract" button to open the "Extract WIM file" dialog.

Fine-Tune: Open multiple files in separate tabs and drag thumbnail images of the pages you want from the source tab to the target tab. Combining PDF Files on Linux ...