Just a clarification, although I have just a few hours on the game (at the time I’m writing this), I’ve already beaten the game two times, almost a third, on PS4:
- One time, I only focused on the main quests, that took around 30 hours to finished
- Second time took 150 hours doing some contracts and side quest
- And in a third playthrough on blood and broken bones difficulty I have currently 250 hours where I’m attempting to do every thing I can (close to de end of the main story also).

So after spending so much time with the game I can safely say that this is one of the best RPG’s that I ever played, satisfying on everything, be it on gameplay, the world, character development and overall storytelling.
What you can expect on pc is merely a boost on performance and visuals over the PS4 version (given you have the hardware to run it).
So to end it, I recommend the Witcher 3, especially if you enjoyed the previous entries on the series, or if you are a fan of RPG’s (although you will have a deeper appreciation for the game if you played the previous entries).

A future classic, 10/10.