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To turn this option off and enable the use of multiple monitors in PressProof, follow these steps:
- macOS 13/14
Choose Apple > System Preferences (macOS 12), or Apple > System Settings (macOS 13 and up).
- macOS 12
Click Mission Control.
Clear the Displays have separate Spaces check box.
Log out or restart Mac OS.
Settings.
Select Desktop & Dock.
Scroll down to Mission Control.
Turn on the Displays have separate spaces switch.