https://www.xfinity.com/rewards Select Xfinity Rewards Members: Black Ops 7 Open Beta Code for Free when you log in to your account and click on the 'Get this Reward' under your rewards dashboard.
- Log in to your Xfinity Account
- Locate the offer "Unlock early access to the Call of Duty®: Black Ops 7 Open Beta" on the rewards page
- Select the offer and click on "Get this reward"
- Copy the Reward Code
- Visit Call of Duty Beta
- Sign in and Redeem your Reward Code