You can get a Bitdefender Internet Security 2010 Genuine License valid for 180 Days for free by the following way
1. Go to the promotional page
2. Click on the button
3. An add will come click on the link on the top right , or wait for 17 seconds
4. Click on the button showed above again
5. The download will start after 5 seconds or click on the link saying AICI
6. Save the file, unzip it and install. the license is embedded to the installer.