If you haven't played Skyrim, I'd say start with that... But 100% dependant on the type of game you enjoy. Look at gameplay, and decide for yourself, don't let others do it for you, you're the best judge of your own taste. Neither game can be ruined by looking at the first few minutes, I think.
Bet with PeH:
I win if Arms sells over 700 000 units worldwide by the end of 2017.
Bet with WagnerPaiva:
I win if Emmanuel Macron wins the french presidential election May 7th 2017.