Great! I should've created a new thread, my post is somehow unrelated to this. First I pressed F to switch to Free Camera, but the console gives me two simultaneous commands:
[switched to] Free CameraI pressed F again, and console repeats; does not let me get into Free Camera unless I hold the F key and at the right time, I can go to Free Camera. Pressing F again is like pressing Space back to Game Camera, but still in Free Camera mode.
[switched to] Game Camera
The same goes to rotating (if able to rotate) buildings. It's like pressing R twice with a single type.
If it's fine for your computers, it's not normal for me; I am on an old computer after a repair install; probably will be updating next week.