Download the Kaspersky Internet Security2017 installer from here.After downloading an installation file, run the installer, and then activate the application with an activation code.

The license will begin to expire on the day it was first activated. The license validity period is calculated since the first activation (once the activation code related to the license is activated on one of the computers).The unused activation code can be used for activation of three later versions of the product. For example, if you bought the activation code for the 2017 version, you can also activate the 2018 / 2019 / 2020 version with it.