Ensure you aren't installing to a nearly full SSD/HDD. Try clearing cache or moving the install path to a secondary drive.
Manually update your graphics card drivers from the NVIDIA or AMD website. far-cry-primal-installation-tutorial
If the installer doesn't start automatically, open This PC , right-click your DVD drive, and select Open . Double-click Setup.exe . Ensure you aren't installing to a nearly full SSD/HDD