CA anti-virus is providing its one year subscription absolutely free. Open following link and complete a small form. You have to enter your name, country, e-mail address and a password to create your own CA account. An e-mail will be sent to your Inbox containing a link. Click on the link and it’ll open a page having a download link as well as your absolutely free one year license key. Click Computer Associates to get it.
Also, Webroot is providing a completely free license key of its well known anti-spyware software “Spy Sweeper 5.5“. The license key will be valid for 6 months. Run the setup and when it asks for the license key, provide the same license key which you got in your mail.