I would recc those who have expired antivirus softwares/
pirated ones/ cracked ones ect to change to this.
Benefits:
McAfee VirusScan Plus offers proactive PC security to prevent
malicious attacks, so you can protect what you value as well as
surf, search, and download files online with confidence. McAfee
SiteAdvisor’s web safety ratings help you avoid unsafe websites.
This service also provides security against multi-pronged attacks
by combining anti-virus, anti-spyware and firewall technologies.
McAfee’s security service continuously delivers the latest software
so your protection is never out-of-date. You can now easily add and
manage security for multiple PCs in your home. Moreover, improved
performance allows it to protect, without disturbing you.

6-in-1 Prevention and Protection
Note: To upgrade to the latest version of Internet Explorer,
visit the Microsoft website at www.microsoft.com
* Must meet Windows Vista operating system requirements
Internet access required for updating
Steps:

6. Scroll right to the bottom of the page and click I Agree
button
7. Click Download button and you’ll download DMSetup.exe which
is in 621KB size.
8. Run DMSetup.exe when download completes. McAfee download
manager should automatically log you in and find that you have
McAfee VirusScan Plus in your account, then just click Download
button.

Note: Sometimes you might get a message saying No programs are
available to install from this account. You’ll need to log in
again.

10. Wait for the McAfee download manager to finish downloading
McAfee VirusScan Plus. The total file size should be around
38MB.
11. Once finished downloading, click Install and follow the
on-screen instruction.
Thats all enjoy your 365 day Full License with full updates.