STEP 1: Get the client app
(On your secondary device or computer)
iOS: Get Air Display 3 from the App Store
macOS: Get Air Display for Mac from the Mac App Store
Android: Get Air Display 2 from Google Play
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: The Air Display Host is compatible with macOS 8 and up (excluding 10.13.4–10.13.6). It requires an Intel-based Mac. (Sorry, intrepid M1 pioneers.)
Can we help?
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For best results, let us know which app you are using, and on what platform (and version). If there is host software involved, let us know which operating system (and version) is on your host computer. The more details you provide, the more effectively we can resolve the issue. If attaching a screen shot might help, please do.