Beta's Questions???

How do you receive beta's. Is there a website that you can go on free of charge to test out these beta's. If so what is it.. I would really be greatful for any info on this. Thz in advance.Beta's Questions???
betas for what? 360 games? usually its by invites to people whop are signed up on the games website, or who preoder.what beta are you talking about? and no theres no general 360 beta website... Beta's Questions???
i am talking bout 360 betas. And mainly the beta for COD:WaW

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