Kaspersky Endpoint Security 8.1.0.831

Activate or Upgrade

Patch B required for installation:
If your Kaspersky Endpoint Security 8.1.0.831 already has Patch B installed, you can continue with your activation:

Alternative to Patch B:
If you do not have Patch B installation, Kaspersky recommends upgrading to one of the latest Kaspersky Endpoint Security versions:
Kaspersky Endpoint 8.1.0.1042
Kaspersky Endpoint 10.2.1.23*

*Requires upgrade to Kaspersky Security Center 10

Helpful links:

How to check if patch is installed?
Stand-Alone | Administration Server?

Why are these steps necessary?