So far I was using Zemax with version 2023R1.02 Pro, and tried to install 2025R1.01.
I downloaded a “OPTICSTUDIO_2025R1.01_WINX64.zip” file from Ansys’ website after logging with my mail adress, and executed “OPTICSTUDIO_2025R1.01_WINX64.exe”.
This installed :
- “Ansys optics Launched 2025 R1”
- “Ansys Zemax OpticStudio 2025 R1.01”

At this point when I tried to run the new Ansys Zemax OpticStudio, I get a :

I’m kinda lost in the licensing system and not sure what to do.