You may want to remain on your current version of macOS until these issues have been resolved.

Therefore, they cannot be installed and activated after upgrading to macOS Catalina.

Upgrading to macOS Catalina with an older version already installed on your computer may allow the application to function in some capacity; however, you will not be able to reinstall or activate the application after the macOS upgrade.

If you have already upgraded to macOS Catalina, you can use the Creative Cloud Cleaner Tool to uninstall older versions.

Click the lock icon in the lower left, enter your admin username password.

Click the icon and add Photoshop to grant access to your hard disk.

It is not possible to switch the adjustment to the Inside option.

And Sidecar, which lets you use iPad as a second Mac display.

Click Upgrade Now and follow the onscreen instructions to begin your upgrade.

If you dont have broadband access, you can upgrade your Mac at any Apple Store.

If upgrading from an earlier release, macOS Catalina requires up to 18.5GB of available storage.

Mac Os Upgrade For Photoshop