That's because these versions use a 32-bit installer program that is incompatible with macOS 10.15. If you are currently using a Mac and running Lightroom 6/2015 or older or Photoshop 2018 (version 19) or older, you will not be able to uninstall, reinstall or reactivate either of these applications under Catalina. Catalina will be a completely 64-bit OS, meaning than any 32-bit applications will NOT run under this system. 08-15-2019, KSE)Īpple has announced plans for a new operating system (OS) version called Catalina (10.15) that they will release in late September. Has someone tried that already or is there a general performance difference between Windows and macOS guest systems?Īnother solution woud be to install Lightroom in the 32bit capable Mojave guest system and use it in the native Catalina environment, since the Lightroom application itself seems to be 64bit, only the installation and licensing part is 32bit and Adobe is now willing to release 64bit versions as they want to force customers to the subscription model.(This post has been edited to reflect that older versions of Lightroom & Photoshop may run under macOS 10.15, but you will not be able to uninstall, reinstall, or reactivate these programs. Since the Lightroom License is good for Windows and macOS, I could choose the better performing OS. I read in this forum that hardware accelleration is a problem so maybe there is a performance difference between a Windows 10 guest system and a macOS Mojave. So it thought that a Mojave guest system for the Lightroom installation would be the solution of choice. The main reason of getting into virtualtzation is for me that the perpetual license version of Lightroom cannot be installed or removed after switching to Catalina. I started with Parallels a three days ago, so I only scratched the surface of its possibilites.
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