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.

If you’re in the unique situation of needing to use two Macs at once, the task can be made easier if you can control both of them with one keyboard. Here are a couple of ways to do it. It is also ...