Get Universal Display Magnet for your Mac

Install in four steps

1. 1

   Download

   Download the ZIP and open it from Downloads to unzip it.

2. 2

   Move it to Applications

   Drag Universal Display Magnet into your Applications folder, then open it.

3. 3

   Allow access

   Turn it on under System Settings → Privacy & Security → Device Control and Data Access (Accessibility on older versions of macOS), and allow Local Network access when asked.

4. 4

   That's it

   It opens at login from now on and lives in the menu bar when its window is closed. Change that under Settings → General.