Kaspersky Small Office Security 4.0 (PC)

To purchase an activation code for Kaspersky Small Office Security 4 for PC:

1. Open Kaspersky Small Office Security 4 for PC.
2. In the lower-right corner of the application window, click License.

3. In the Licensing view, click Purchase activation code.

4. The License Renewal & Upgrade Center page will open.
5. Follow the directions to purchase a new activation code and renew your license.

If your current license has expired, activate the application with the new activation code received while renewing your license. Follow these steps:

1. Open KasperskySmall Office Security 4 for PC.
2. In the lower right part of the window, click the Enter activation code link. 

4. In the Add new activation code window, enter the activation code.
5. Click Activate.

6. If the Registration window appears, perform one of the following actions:
   • If you do not have a My Kaspersky account, click Register now.
   • If you have a My Kaspersky account, enter your credentials and click Log in.
   • If you want to visit My Kaspersky portal later, click Skip.

7. Click Finish.

If your license is still valid, you can continue to use it until it expires and add a new activation code in advance, which will be automatically activated when your old license expires. To add a new code to the application, do the following:

1. Open Kaspersky Small Office Security 4 for PC.
2. In the lower-right part of the window, click the License link.

3. In the New activation code section, click the Enter activation code button.

4. If your current license expires soon, the block will have the name License expires soon.

4. In the Add new activation code window, enter the activation code.
5. Click Add activation code.

6. Wait until the code is added. Click Finish. 

   The new activation code is added to the application. It will become active as soon as the current activation code expires.

7. The information about current code and new code will be added to the Licensing window.

8. Close the application window.

Check if the activation code is entered correctly or enter the code once again.

If the issue persists, send a request to Kaspersky Lab Technical Support via the My Kaspersky service. In your request, give a detailed description of the problem. You can find information about how to use the service on the FAQ for My Kaspersky page.