What is an activation code for Kaspersky Internet Security 2011 / Kaspersky Anti-Virus 2011?



Kaspersky Internet Security 2011


What is an activation code for Kaspersky Internet Security 2011 / Kaspersky Anti-Virus 2011?

Back to "License and activation"
2012 Aug 28 ID: 3815

1. What is an activation code?

An activation code is a unique set of characters that comes in 4 blocks of 5, separated by a hyphen(-). Each block comprises of 5 characters which can be a combination of letters and numbers, which comes to a total of 20 characters (XXXXX-XXXXX-XXXXX-XXXXX).

An activation code is required to activate a Kaspersky Lab product. 

Warning Activation codes are issued for each Kaspersky Lab product separately.

If you have installed a Kaspersky Lab 2011 products, but you do not have an activation code to activate the application, then you can purchase a license in E-Store or from our partners.

2. Application box versions

The activation code for all box versions or products bought from retail stores can be found printed on the CD sleeve. European box products will have the code on the Quick Start Guide which is included in the box.


If you have purchased a DVD-box version of Kaspersky Anti-Virus 2011 or Kaspersky Internet Security 2011,  the activation code can be found printed on the inner part of the left cover.


3. Application purchased via E-Store

If you have purchased Kaspersky Anti-Virus 2011 or Kaspersky Internet Security 2011 via E-Store, the activation code will be sent to you via e-mail you have specified when making the order.

4. Activation code validity period

An unused activation code can be activated at any time, but the license will begin to expire on the day of initial activation.

InformationThis information does not refer to trial activation codes which go on CD-disks in magazines. Validity period of trial activation codes is restricted.

5. I have forgotten/deleted my activation code. What should I do?

If you deleted your activation code by mistake, then to restore the key file send description of the problem, information about the place, date of purchase and the LICENSE NUMBER (0XXX-000XXX-000XXXX) to Kaspersky Lab Tech Support by filling in the My Kaspersky Account service.

You can find detailed instructions on how to identify the license number in the Kaspersky Lab Knowledge Base:

If you bought a Kaspersky Lab product via the Internet, then you need to provide online purchase order number from the confirmation letter, which was sent after you bought your application.

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Applies To:

  • Kaspersky Internet Security 2011
  • Kaspersky Anti-Virus 2011



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