STEP 1: Get the client app

(On your secondary device or computer)

iOS: Get Air Display 3 from App Store

Android: Get Air Display 2 from Google Play

macOS: Get Air Display for Mac from avatron.com

Windows: Get Air Display for Windows from avatron.com

STEP 2: Get the free host software.

(On your main Mac)

Download Air Display Host

NOTE: Air Display is not compatible with macOS 10.13.4. We are looking for a workaround, while hoping Apple addresses the issue in macOS 10.13.5.