A list of patches for the game can be found here. The GOG.com version is already patched.
Direct3D Hardware TnL
Depending on the GPU, you may have to create a custom resolution for the monitor with 75 Hz of refresh rate.
On 1080p monitors, the 75 Hz is supported up to 720p.
While on 4K monitor, it supports up to 1080p.
Nvidia users can create one by going into Nvidia Control Panel → Change Resolution → Adjust