If you are experiencing frequent crashing or glitching graphics, try the steps below. This will help to rule out some common issues that can interfere with the game.
VERIFY YOUR GAME FILES
If you play on Steam, the easiest way to check that all your game files have installed correctly is to Verify them through the Steam Client:
In Steam, go to your Library
Right-click on the game title
Select Properties
Switch to the Local Files tab
Click Verify In