Work in Windows Without Saving Changes

If you don't want Windows to store the changes you make to it during the working session (for example, when testing some Windows programs that may damage Windows), you can start Windows in Rollback Mode:

Note: This feature is available in Parallels Desktop for Mac Pro Edition only.

Open Parallels Desktop.
From Control Center select Windows that you want to start in Rollback Mode and click Actions > Start in Rollback Mode .

Set Windows to Always Start in Rollback Mode

If you want Windows to always start in Rollback Mode:

Open Parallels Desktop.
From Control Center select Windows and click Actions > Configure > Security .
Choose Ask me what to do from the Rollback Mode menu.

Note: If you have the automatic compression of virtual disks enabled, it will become disabled after you enable Rollback Mode .