If you can tell me the software context, I can give you the specific installation instructions.
To make sure this is the right "v15 zip" for you, could you confirm if you are: Updating a project (as described above)? Looking for a 12d Model 15 installer? Looking for CAESAR II v15 installation? Download v15 zip
This zip file contains all freely available Support Packages (HSPs) for TIA Portal V15 and V15.1. File Size: Approximately (as of July 2022 release). Release Version: V1.38 (dated 13/07/2022). If you can tell me the software context,