a lot of people use nvidia cards on iracing just wondering why you dont support it at any time thair is 6000 or more on line

Welcome @tmetl62 to the NVIDIA developer forums!

Are you part of the iRacing developer team? I am not quite clear what you mean by “not supporting it”. Clearly you can play it on NVIDIA GPUs. It would help if you could give a bit more detail on what issue you are facing.