I have to use Windows on my work computer and I am finding it hard to get FOSS applications on Windows that can do stuff like
The Gold standard in the screen recording world is OBS. It’s not only available for Linux, but also for Windows and, well, is the gold standard. If you ask the question if OBS can do this-or-that regarding screen recording, the answer generally is yes (or “yes, via plugin”). Just use OBS on all platforms, it’s clearly the most mature screen recording tool out there.