You're looking for information on a patch for Adobe Photoshop CC 2018, specifically version 19.0, for Mac. Here's what I found:
Select Subject: One of the earliest iterations of Adobe Sensei AI, allowing for one-click selections of prominent subjects in an image. adobe photoshop cc 2018 1900 patch for mac exclusive
When installing the patch, make sure to: You're looking for information on a patch for
32-bit Warning: It is the last release to contain 32-bit components; it will not work on macOS 10.15 (Catalina) or later because Apple dropped support for all non-64-bit apps. specifically version 19.0