How to disable incognito mode in chrome.
Hold down the Windows Key and press “R” to bring up the Run box.
Type “regedit“, then press “Enter“.
Navigate to “HKEY_LOCAL_MACHINE” > “SOFTWARE” > “Policies” > “Google” > “Chrome“.
Note: You may have to create the “Google” and “Chrome” folders.
Right-click “Chrome” and select “New” > “DWORD 32-bit value“
Give the value a name of “IncognitoModeAvailability“.
Double-click on “IncognitoModeAvailability“. A box will appear where you can set the value data to “1“.
Restart the computer, and the option to select “Incognito Mode” in Google Chrome will be gone.