Dude, just get a grownup to get it for ya. Or amazon.com it. (can use a bank debit card)
They don't arrest adults for doing this sort of thing when it comes to games. Will just look bad in the newspaper if you started murdering people and setting animals on fire after playing Divinity 2.

Every time there I run into trouble on the road, there is always a dwarf at the bottom of it. Don't they know how to drive above ground?