Go to www.redorchestragame.com for all the details. You will need a (free) Steam account, about 2 Gig HD space, a decent computer, and an internet connection to play. You can predownload before Aug 2, then activate to play Aug 2. (generally speaking, you will find a more mature crowd playing RO, it's realistic, slower than DoD:S, no bunny hopping, and quite a challenge) (remember, the free weekend players may not represent the "typical RO player", but it's all good, right?)