Worst decision I have ever made, it is horrendous on the PC. It took me entire day to download, only after coming back from work, I spent 3 hours trying to figure out how to launch without it constantly crashing. Then, just gave up. Next morning, it launched, but the game was nothing like e3 2012 with everything ultra. My system is decent enough to handle it:
Core i5 4670
R9 290
16 GB RAM
Frames would go single digits when you drive too fast, stutters, graphical glitches, everything didn't seem fluid, I can go on. It is the most horrible port you can bring, I don't think ubisoft knows the word optimzation and many of the problems can be found first hand testing as the vast majority are getting them. Really, Ubisoft simply just ported the PS4 version and pushed to PC in a day, that is the only logical explanation.
With the gaming using Gameworks of nvidia, which uses horrific practices of reducing performance or further improvements from competitors of nvidia, is a further slap in the face for non nvidia gpu owners.
Last ubisoft game I am buying, with no laws for piracy where I live, will pirate them only.