You can share a keyboard and mouse across multiple Windows and macOS computers, if you know the right tools to use.
You can use two Windows machines at once with a single keyboard and mouse without any special hardware. I had an extra laptop lying around that now connects with the same keyboard and mouse as my PC.
Microsoft just released a new update for Xbox Cloud Gaming that finally brings mouse and keyboard support, after teasing the feature for years. The tool is currently in beta release and works with ...