Here you will learn how to activate and install McAfee antivirus using a retail card bought from a store or came with the CD.First, remove any other older version then restart the computer
open the web browser on your computer and type McAfee activation or visit www.mcafee.com/activate  and here you can submit your 25 digit retail card for McAfee activation.
mcafee activate
www.mcafee.com/activate
you can download the McAfee setup and install mcafee antivirus using the settings given on that web page.
Please Check the Box agree with terms and setup McAfee as you wish.
After doing few next-next, you get the option to install
Hit install and wait after few minutes it will ask to restart and update. please do it.
it may also ask you to create a mcafee my account that will help to set up and customize services according to your choice.
www.mcafee.com activate
mcafee.com/activate
mcafee Log in
mcafee my account
mcafee account
install mcafee antivirus
mcafee download
Now you are ready to scan your computer using McAfee antivirus protection.mcafee download