We already talked about how to get a free MacAfee VirusScan Plus 2008, free Norton Antibot and Free aSquared Anti Malware. what about free Kaspersky Internet Security 7? Here is how you will get a free Kaspersky Internet security 7. But this time it is Dutch version. However every one can try this.Kasperky is a leader in Internet security with their award winning Kaspersky Antivirus solution.Kaspersky Internet Security 7.0 provides you with the same proven anti-virus protection as Kaspersky Anti-Virus together with additional features including Parental Control, a personal firewall, an anti-spam filter, Privacy Control and more.
Just follow the steps described below.

• Just go to this page
• Enter your name, email adress and the Voucher Code: sera6r8z
• Now you should receive a link and instructions to download the Kaspersky Internet Security plus

You need not enter any serial number to activate it. It is already inculded in the application
Features o Kaspersky Internet Security 7

• Integrated protection from all Internet threats
• Integrated antivirus protection: 1) Hourly automated database updates, 2) Preliminary behavior analysis, 3) On-going behavior analysis. New!
• Real-time scanning for email, Internet traffic and files
• Personal firewall with an IDS / IPS system improved!
• Protection from leaks of confidential data. New!
• Parental Control. New!
• Protection from spam and phishing
• Automatic database updates

Tanks to Srikant for this information.
Update
1. For those who want to use it with English version visit here for the tricks.
2. Here is another method to get a 3 months legal license key file for Kaspersky Antivirus version 6. If you have this version (6.0.2.261) , goes to here and enters your email address, they will sent you the key file. They Just ask for email verification, so, you can use different email address every 3 months?
- You can download version 6 from this mirror site.