This offer is from CHIP magazine. With this you can get a free 3 Months genuine registration key for F-Secure Internet Security 2010. But you can uninstall and reinstall the F-Secure Internet Security 2010 again after 3 months and activate it using the same key. You can use like this for 3 times.

1. Go to promotional page Here or Here

2. Enter your email address in the first text box

3. Click “Daten Senden” button

4. Check your mailbox for a mail with the license key with subject “Ihr Gratis Freischaltcode für Sie als CHIP-Leser!”

5.  Download F-Secure Internet Security 2010

6. Install and activate using the received key