kaspersky internet security how to activate
General info. 1  To activate the commercial version of Kaspersky Internet Security 2016, use a 20-digit activation code. 2  You can find the activation code on the Quick Start Guide if you have a boxed version or in the message sent to your e-mail if you bought the code in the online store.o activate a trial license: 1  Make sure your computer is connected to the Internet (for example, try opening the www.kaspersky.com page). 2  Make sure that the system date is set correctly on your computer. 3  In the Activation window, click Activate trial version of the application.