Which versions of Mac OS is GateKeeper compatible with? Abhinav Jain January 26, 2019 20:15 Updated Follow GateKeeper is currently compatible with Mac OS 10.13 High Sierra and 10.14 Mojave. Related articles Do I need to restart my Mac after installing the application? How do I install the GateKeeper application on my Mac? How to push the GateKeeper Client application through Windows Group Policy? How to pair a Halberd token to the GateKeeper application? Which versions of Windows OS is GateKeeper compatible with? Comments 0 comments Please sign in to leave a comment.