If you have need to connect a second monitor to your Mac and have a spare iMac lying around, here's how to use an iMac as a second monitor.

You might wonder why this is a feature, since it bypasses a perfectly good iMac computer to use it as an external monitor.

Make sure to select your current Windows keyboard from the drop down section at the top of the window—otherwise you’ll be remapping all keyboards, which you do not want. You can now re-assign the ...