How to set a passcode lock?
To set a passcode lock
1. Open the Bigin app on your Mac.
2. Click Bigin in the menu bar that runs along the top of the screen.
3. Select Preferences in the dropdown to open Settings in Bigin.
Under Manage Privacy, you can find the title Privacy & Security.
4. Click on Privacy & Security > Passcode Lock.
5. Select Turn Passocode On.
6. Set a passcode.
Once you've set a passcode, the next time you click on the Bigin app icon to open the app, you'll need to use the passcode to enter the app.