With a Mac running macOS Catalina or later, you may use Sidecar to turn your iPad into a second display, allowing your computer to communicate with your tablet and extend the same desktop environment. This capability, though, is only available on select Mac and iPad models, which is a shame if you have an older device or a Windows PC. Many business listings on all of the devices that can't run Sidecar, a few third-party apps can assist cover the hole. Sidecar on macOS is the best option Sidecar is, without a doubt, the greatest way to turn your iPad into a second display. If you have a Mac and an iPad from the last five years or so, you should give it a shot first. (Skip to the following section if your gadgets are older than that.) To use your iPad as a display, either connect it to your Mac through USB or turn on Bluetooth, WI-FI, and Handoff if you want to do it wirelessly. On both devices, you must be logged in with the same Apple...