you must -lrb- i -rrb- obtain a world of warcraft authorization code from blizzard -lrb- usually found in a ` box ' copy of world of warcraft or purchased through battle.net -rrb- , -lrb- ii -rrb- register for and log in using an authorized battle.net account -lrb- the `` account '' -rrb- to play world of warcraft and -lrb- iii -rrb- agree to the terms of use , the eula and the bnet tou .