I got an email from Ramakant, asking me if there are any antivirus that works beyond the 30 day trial period. The reason for trial version is for you to try out the product before buying. If you’re satisfied with it, you can purchase the subscription to continue using it. If not, simply uninstall it and look for a new software. A normal trial version of Kaspersky Internet Security is only valid for 30 days. Once the trial period has expired, you won’t be able to update its virus definition and it won’t clean any virus that is detected on the computer. You are then left with only 2 options. Uninstall Kaspersky Internet Security or spend $79.95 to purchase a 1 year subscription.

I found out that there is a way to get a 90 days trial period for Kaspersky Internet Security instead of the normal 30 days. This will give you more time to evaluate Kaspersky Internet Security.

For the 90 days trial period to work, you must NOT have activated the 30 day trial version. If you’ve already activated the 30 day trial, applying this 90 day trial key will not extend your trial period. The expiration date will remain the same. So I guess this will only be useful for those who have not installed Kaspersky Internet Security before.

To get it, you’ll need to visit a page, enter the voucher code and you’ll get a link to download Kaspersky Internet Security. However, there’s one small problem with the 90 day trial Kaspersky Internet Security. The installer and program interface will be in Dutch, not English. If you want it to be in English, just follow the steps below on how to get your English version of 90 day trial for Kaspersky Internet Security.

1. Go to Kaspersky Netherland page.

2. Enter your Last Name and Email. As for Voucher code, enter sera6r8z.

Kaspersky Internet Security voucher

3. Check your email. You should receive an email from Kaspersky Lab Benelux Registration (register@kaspersky.nl) with the subject “Free Kaspersky product download‏“. In the email, it contains a link for you to download Kaspersky Internet Security.

4. Once you’ve downloaded 24.4MB kis7_nl_digital_lifestyle.exe setup file, extract the file setup. If your computer don’t have any archiver program that can extract the setup file, use Universal Extractor. You should see 4 files after extracting kis7_nl_digital_lifestyle.exe. They are kis.nl.msi, setup.exe, setup.key and Setup.reg. The setup.key is the 90 day trial Kaspersky Internet Security license key.

5. Download latest English version of Kaspersky Internet Security and install. The reason you need to download again is because the previously downloaded KIS is a dutch version and it is slightly outdated.

6. When installation complete, you’ll get a dialog box asking you to activate your copy of Kaspersky Internet Security. Select “Apply existing license key” and click Next.

Activate Kaspersky 30 day trial version

7. Browse for the setup.key and click Next. Next screen will tell you that license key successfully installed. Voila, your Kaspersky Internet Security is now a 90 days trial period, not 30 days.

Using a Kaspersky License Key Viewer, I found that the Kaspersky license key (setup.key) expiry date is on 4/30/2009. However, it is a trial key which has a 91 subscription days.

Kaspersky License Key Viewer

Out of curiosity, I wanted to test if I can reuse the 90 days trial license key. I changed my computer date to 2009 and ran KIS. KIS immediately tells me that it has expired. I then tried to apply the setup.key file and it detected that the key has expired. It says “Attention! Your evaluation period is over. Protection of your computer has been disabled. To enable protection, please click here to purchase.” Even after a complete uninstall and then reinstall, I still couldn’t use the 90 days trial key. I suspect that Kaspersky Internet Security has recorded the trial expiry date somewhere in the registry.

No matter how smart a software is, crackers will always there to dig up the flaw of the program’s security. There is a person by the nickname Gr0uND ZYr0 aka De-EvIL has created a simple batch file that can restore Kaspersky trial.

Reset Kaspersky trial period

After a complete uninstall, I ran Kaspersky resetter batch file. Then I reinstall KIS and it allowed me to re-use the 90 days trial license key! I believe Kaspersky knows about this flaw and who knows, maybe they’ll fix it when the next build or version is out…


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