Do I need to restart my Mac after installing the application? Abhinav Jain January 26, 2019 20:13 Updated Follow Yes, a restart is required after installing the application on Mac. Related articles How to reset the PIN for a GateKeeper token? What is the GateKeeper Client desktop application? How do I install the GateKeeper application on my Mac? How to install the GateKeeper Client desktop application? Which versions of Mac OS is GateKeeper compatible with? Comments 0 comments Please sign in to leave a comment.