You may purchase a license after installing the application. On purchasing a license, you receive an activation code or a key file for activating the application.
To purchase a license:
In the main application window, go to the License section.
Do one of the following:
If no keys have been added or a key for trial license has been added, click the Purchase license button.
If the key for a commercial license is added, click the Renew license button.
A window will open with the website of the Kaspersky online store, where you can purchase a license.