I would pay off all debt owed by me, my family, Wife's family, and a group of my close friends. Probably buy my inlaws a nice little compound.
Build a house for my parents and for my Brother and his wife.
I would go around and hand out $100 bills to people who I think could use it and try to do a bunch of random acts of kindness by paying for stuff for people.
Invest a large portion of it and live off the interest.
I would build a castle (No joke, ever since I was a little kid, I've always wanted to live in a castle.
I would also buy a bunch of land somewhere and build a little English cottage.
have a fleet of cars, trucks, toys.
I'd also go away for about a year and spend it over in Europe, just traveling around and have a ball.