How to activate Kaspersky 2011 with key file

A lots of readers were asking me about activating KAV/KIS with key file so here is the easiest way to do that

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. Select ‘Activate commercial version’ and enter the activation license code as 11111-11111-11111-1111X
4. Wait activation wizard message->Click OK
5. Wait for wrong activation code message->Click OK->
6. Screen will appear with KEY FILE BROWSE
7. Browse to the key location and activate kaspersky.

please note that that is only for the educational purpose