Look, the whole world knows how rough this was at launch. However, I have to commend the CDPR team for sticking with it and polishing it up - they even threw some free content in over time. Whatever their past sins, I highly recommend giving it an open-minded go of it in its current state. You may be surprised!
Doesn't work and has never worked. I've spent hours trying to fixes. Chased dozens of forums, tried a multitude of suggestions, rolled back drivers, downloaded patches, nGlide graphics packages, compatibility files, etc. Everything short of f*cking smudging for spirits. Download at your own risk, you may pay $6 just to play IRL Software Tech Troubleshooting Simulator™ instead.