You can only renew your product key once its been expired, Once your Mcafee membership is been expired you can get a new Mcafee.com/activate product key from reatil, local store or ecode online, from the local store you will be provided a recipt on that 25 digit alpha numaric code will been prited and used for Mcafee/activation and fom reatil store you will get a product key you'll ne... https://www.mcafecomactivate.com