Firstly, you have got to download the installer file of the McAfee Security from their official web site. once it’s downloaded, you have got to double-click on it get into order to run it. Next, you've got to click on the affirmative button, when you can see the User Account management window on the screen. Then, you have got have to be compelled to wait till the installer extracts all the files, that square measure required for the process of installation. Next, you have got to attend again till the scanning of your laptop by this antivirus is completed. Finally, you have got to enter the Activation code of this antivirus by choosing the PAID VERSION possibility then, you're done. However, if there occurs any conflict whereas installing this antivirus, then straightaway contact the McAfee antivirus Technical Support by dialing their toll-free number anytime.