If you've received a gift subscription to ALLBLK, visit https://allblk.tv/signup/ to set up your new ALLBLK account and redeem your gift code. Follow the steps to create your account, and enter your activation code in the "code" field. Once you've set up your account, you'll have 12 months of unlimited access to ALLBLK.
If you're already a member and have received a gift, simply visit https://allblk.tv/account/applyCode/ and enter your gift code.