Here are the dates for the free play weekend:
Xbox One: 3/10 at 12:01 a.m. PT to 3/13 at 11:59 p.m. PT
PS4: 3/10 at 10 a.m. PT to 3/13 at 10 a.m. PT
Uplay (PC): 3/10 at 10 a.m. PT to 3/13 at 10 a.m. PT
If you tried the beta and had a hard time with tricks you may want to jump in this weekend. They have made it more accessible for all. You also get to play on both mountains. Alaska was just released recently.