If you have a very old build of PS CC 2019 (e.g., version 20.0), start with Camera Raw 12.0: Download Camera Raw 12.0 for Windows
If the Creative Cloud app tells you are "Up to date" but you still can't open your files, you might need to verify your plug-ins folder. camera raw filter download for photoshop cc 2019 hot
Here is the breakdown of the feature, the reality of compatibility, and how to get the closest version available. If you have a very old build of PS CC 2019 (e