Chrome on macOS
- In the Finder, click Go > Utilities.
-
Open the Terminal app.
The Terminal app window appears.
-
Run the applicable command in the Terminal:
To disable
Run
Incognito mode
defaults write com.google.chrome IncognitoModeAvailability -integer 1zBrowserGuest mode
defaults write com.google.Chrome BrowserGuestModeEnabled -bool false