To reactivate or activate your McAfee/Activate product key, first confirm that you have your product key, which is usually found on a card or sent to you after purchase. Users can activate it through the website Mcafee.com/activate or using the App Start by launching any McAfee application on your computer, such as McAfee Total Protection. If you are currently logged in, please sign o... https://www.mcafecomactivate.com