solution:
- go to settings by pressing the cog
- go to Hotkeys
- in the hotkey search box, search for
move current file
- you’ll find the action called “Move current file to another folder”
- press the plus button next to
Blank
- press your desired key combination, I went with ctrl m
… and you’re done
if you’re having any trouble, take a look at this thread. And especially the later answers where people were having difficulties because they had disabled the file explorer core plugin.