1 Register your product key. Go to mcafee.com/activate and enter your activation code and email. McAfee might also ask you to select a region, this only decides the language so you can select United Kingdom - EN. 2 McAfee Account If McAfee asks to sign in or asks about Auto-Renewal, skip this step by clicking ‘No thanks’ at the bottom of the page Download software McAfee will offer you to download the software, you can do this now. You can always do this later or on other devices by going to http://home.mcafee.com/secure/protected/login.aspx.