Many MacBook Airs only allow you to connect one external monitor. For many people, multi-monitor setups can be a godsend for ...

You can split your screen on a Windows 10 computer by snapping two, three, or four windows into place.

You can turn on AirPlay to use on your Mac computer through the System Preferences app's "Displays" menu.

While mobile apps are great, they're not always the perfect solution for every smartphone user's needs. Sometimes, the mobile app just isn't good, either because the company's target market prefers in ...