Product Description :
McAfee VirusScan Plus with SiteAdvisor 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 SiteAdvisors Web safety ratings help you avoid unsafe Web sites. This service also provides security against multi-pronged attacks by combining antivirus and antispyware technologies. McAfees security service continuously delivers the latest software so your protection is never out-of-date.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.
Instructions :
1. Register for a McAfee account. If you already have an account sign in to your account.
2. Visit the promo link of McAfee VirusScan® Plus 3-User with SiteAdvisor™
http://us.mcafee.com/en-us/affiliates/vmware/landingpages/16288.asp?cid=48523
3. Click on the Download trial button. (See screenshots below.)
You will get a processing order screen.
4. Now click on the download button on your my account page.
(Note : New users may get a Please Active Your Account screen. New users need to activate their account by clicking on the activation link sent to their email )
5. Now accept the terms and conditions by clicking on the I agree button and enjoy McAfee VirusScan Plus 2010 free for 1 Year. 
Update : 25-Nov-2009 The Promo has now expired
Related posts:
McAfee.com told me that I am not eligible for the free six month trial subscription. I have to purchase a subscription.
Make a new account then try again. The promo may not be available in your region so try to open the promo link by using a proxy
Hello All,
This no longer works as below is what I see while clicking on Download Trial:
An error occured due to one or more reasons below:
- The offer has not started. Please check back later.
- The offer is expired.
- The offer is not active.
For more information, please contact customer support.
The Promo has now expired