No. unsupported versions of Lightroom were not designed or tested to work on macOS Big Sur (version 11). Older versions use 32-bit licensing components and installers and will not be able to be installed, uninstalled, or activated after upgrading to macOS Big Sur.

Why is Lightroom not compatible with my Mac?

No, older versions of Lightroom were neither designed nor tested to work on macOS Catalina. They are not supported in any way for use on macOS Catalina. Adobe does not recommend that customers using old versions of Lightroom upgrade to macOS Catalina. Older versions use 32-bit licensing components and installers.

Does Lightroom work on a Mac?

Apple on Thursday announced that Adobe Lightroom is now available in the Mac App Store. An app for creative professionals who work in photography, Lightroom comes with a full set of tools for managing thousands upon thousands of photos, as well as editing tools for retouching and fine-tuning.