As of May 13, 2016, the latest driver numbers for both NVIDIA and AMD cards can be found below:

• NVIDIA: 35.10 - Download the latest NVIDIA drivers here
http://www.nvidia.com/Download/index.aspx
• AMD: 16.5.2 - Download the latest AMD drivers here LINK.
http://support.amd.com/en-us/download

Please note that NVIDIA driver version 365.19 will also be available for download soon.