If you go to NVIDIA's drivers webpage - https://www.nvidia.com/Download/index.aspx?lang=en-us&msclkid=d65e5d0cd0f211ec90bae1742e806ea3 - select the details about your GPU from the relavant dropdown boxes, and then there should be a field where you can choose either the game ready or studio driver. Hit 'Search' and then 'Download' on the next window that opens. The download should go to the Downloads folder under This PC in Windows Explorer. When its finished downloading, click on the downloaded .exe file to install the driver.

Or you can do much the same thing in Vegas Pro 18 by going to the Help menu and click on 'Check for Driver Updates'. If there is an update, click on download which will likewise download the update to the same destination as does NVIDIA. Vegas Pro 18 also allows you to choose either the game ready or studio driver.