Activate.Bestbuy.Accountonline com : My Best Buy Account Activation Online
You can join now on BestBuy.com by creating an account. You can also join My Best Buy in any Best Buy store. My Best Buy is free to join and there’s no ongoing membership fee. You begin getting points for qualifying purchases as soon as you join the program. They become usable 15 days from purchase or time of shipment.
My Best Buy is open to individual U.S. (50 states, D.C. and Puerto Rico) residents at least 13 years of age who provide and maintain a valid email address. If you are between 13 years of age and the age of majority (18 or 19 years old, depending on your state) you must obtain permission from your parent or legal guardian before signing up for the program.
You can find your member ID on your membership card, on your My Best Buy Credit Card, or on the Account Home page of your BestBuy.com account.