by Gimilkhad » 28 Jan 2011, 01:11
Yes and no. You can share the disks to install the game, but that's about it. To make an account you need the activation code, and that's unique to each game, and expansion. (BC and WOTLK disks also have thier own codes.)
Right now its cheapest to buy the WOW Battlechest set and go from there.