Well, it didn’t take long. I needed to install opensource software that is not in App Store. Goodbye Gatekeeper. I definitely don’t this direction Apple is taking with MacOS.

Go to System Preferences and select Security & Privacy.

If locked, unlock to make changes and enter your password.

Under “Allow applications downloaded from:”, select Anywhere.

Click “Allow From Anywhere” to acknowledge that you could be making your computer less secure.

Lock Security & Privacy.