Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. With more people returning to the workplace for at least ...

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.

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...