In order to activate McAfee for new users, you must first create an account on the official website through Mcafee.com/activate, then buy or input your product key. Go to "My Account" or "Subscriptions" after registering, then input the 25-character product key that you found on your package or in your email. After entering your key, McAfee will confirm it and ask you to download and ... https://www.mcafecomactivate.com