STEP 1

Buy Air Display app on the device that will be your second display

MAIN COMPUTER IS A MAC:

iOS: Get Air Display 3 from App Store

Android: Get Air Display 2 or Air Stylus for Galaxy Note from Google Play

Mac: Get Air Display for Mac from avatron.com

Windows: Get Air Display for Windows from avatron.com

MAIN COMPUTER IS A PC:

iOS: Get Air Display 2 from App Store

Android: Get Air Display from Google Play

Mac: Get Air Display for Mac from avatron.com

Windows: Get Air Display for Windows from avatron.com

STEP 2

Download the free Air Display Host on your main computer

GET THE HOST

Download Air Display Host