Many of you requested me to give a proper solution for activating Kaspersky 2011 version.

Here’s a step by step process and a video for activating kaspersky 2011 version. Please follow those instructions and you will able to activate Kaspersky 2011 with just a keyfile

To Activate Kaspersky 2011 license using key file:

1. Open Kaspersky 2011 License Manager (from lower right corner).

2. Click ‘Activate the application with a new license’ button. (Delete any trial key first, by clicking the red X next to the key).

3. Disable your internet connection (either disable Network adapter from control panel or turn off your modem/router).

4. Select ‘Activate commercial version’ and enter the activation license code as  T1JVS-NNMBD-K1QTN-SUBP8 or select ‘Activate trial license’.

5. Click Next, an error dialog box will open as shown below:

6. Click Ok and you will now get the option to activate kaspersky using a key file.

7. Browse to the key location and activate kaspersky.