I was experiencing what I thought was a strange bug on my Logitech MX Keys, that whenever I used the keyboard, via my dock (which meant it was using the Logitech Unified Receiver) then the Alt key was the Windows key, and vice versa. Really jarring.

I found out that it’s simple to fix. You just have to switch to the Windows (or Linux) shortcuts.

Press fn and the letter for 3 seconds.

MacOS: fn + O
Windows, Linux, Chrome OS: fn + P

This switches it between the shortcut modes.