Earlier quoted context omitted.
> If anyone else has this issue that states: "the installer was damaged and may need to be downloaded again" I got around this by right clicking the installer and showing package contents > contents > MacOS and clicking on the install file found there Have you tried this? I have CC 2019 installed on Catalina.
I’m dealing with the workarounds and have it running. But what I find interesting is that photoshop is one of the biggest software packages and they are out OA sync with Apple.
And some people suggest I'm supposed to feel guilty for pirating their stuff. Hah.