Ps3 its "circle" Pc is "E"
This depends on what platform you're playing on (PC, XBox 360, or PS3). You can check your controls in the options menu to find out.
Yes there is no doubt about it.
no
It all depends onw hat your looking for. if you have a pc that runs bf3 then get it on ur pc iits 10x better but yea bf3 is a good game
Not legally.
No, the BF4 Beta is a separate download/installation.
Now
About 25 pounds.
No, you can be any age to play Battlefield 3.
Go to multiplayer on the main menu
It unlocks at 20,000 points