Set Password Requirements
For added security, you can set Parallels Desktop to require an administrator password to perform certain functions.
- 
          Do one of the following:
          
- Click the Parallels Desktop icon in the menu bar and choose Configure.
 - If the Parallels Desktop menu bar is visible at the top of the screen, choose Actions > Configure .
 
 - Click Security .
 - 
          Select one or more of the following to require a macOS administrator password to perform the selected action:
          
- Change virtual machine state : A password is required to start, stop, suspend, pause, or shut down Windows.
 - Exit full screen mode : A password is required to exit full screen mode .
 - Manage snapshots : A password is required to create or delete a snapshot , or revert to a snapshot.
 - Change virtual machine configuration : A password is required to change the virtual machine configuration.