Old product key is not being recognised - how to switch back to old version?

Discussion in 'Installation and Configuration' started by r__10, Feb 16, 2022.

  1. r__10

    r__10 Bit Poster

    Messages:
    2
    Hi, I purchased the Parallels Desktop 9 for Mac back in 2013 and have been using it ever since. When I upgraded my operating system to macOS Monterey version 12.1 yesterday, I reinstalled the Parallels Desktop software which happen to be the latest version. However, after I put in my product key for the old version, I got an error message saying that "This key cannot be used to activate Parallels Desktop". Could you advise what I need to do to start using the software again? How to switch back to my old version if needed?
    Thank you.
     
  2. McallenT@Parallels

    McallenT@Parallels Staff Member

    Messages:
    209
    Hello, Please refer to this KB article: https://kb.parallels.com/114381 version 9 is not compatible with the latest macOS. You need to purchase the upgrade license to run the latest version. Thanks, Parallels Team.
     

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