1. Norton Internet security 2010 3 months free

Go to the promotional page, download and use

2. Norton Internet security 2009 3 months free

Just download and install

3. Panda internet security 2009 3 months license free

Go to promotional page, download and install

4. McAfee Internet Security 3 months license free

You can get 90 day trail license for McAfee Internet Security (single user and 3 user). For this go to the promotional page here, Choose one, on the next page create an account if you don't have one or login if you already have one. And follow the instructions

Please note that Microsoft Internet Explorer 6.0 (or higher) or Firefox 1.5 (or higher) or Chrome is required.

5. CA Internet security suite plus 2009

just go to this promotional page, click on download, enter the details asked and proceed.

[via Free Offers]