Once you have your .key file, you need to apply it. There are two primary methods: using Kaspersky Security Center (recommended for networks with 10+ machines) or manual installation for standalone endpoints.
Option B — Manual (for unmanaged or single machines):
Select Activate using a key file and point to your .key path.
An old key file might be blacklisted, expired, or limited to an older version of KES (e.g., version 10 vs. version 12). A ensures compatibility with the latest KES agents, patches, and security protocols. Using a deprecated key can lead to failed updates, disabled components, and vulnerability to new threat vectors. kaspersky endpoint security key file new
An activation code is a 20-character alphanumeric string requiring an internet connection to validate. A key file is a specific file with a .key extension. It contains all your license data and can be applied without exposing your endpoints or administration servers to the public internet. Using a key file offers distinct operational advantages:
Deploying a New Key File via Kaspersky Security Center (KSC)
Ensure the new key file is for the correct product version (e.g., KES 11, 12) and matches the edition (Standard, Advanced, Total Security). Once you have your
Here is the correct hierarchy for applying multiple keys:
Navigate to in the KSC and create a new Activation task. Select your new key file from the storage.
Example: kav license /add ./1AA111A1.key An old key file might be blacklisted, expired,
If you have a 20-character activation code ( XXXXX-XXXXX-XXXXX-XXXXX ) from a purchase confirmation email or the Kaspersky CompanyAccount Portal , convert it using the official conversion tool:
If you want, specify whether you're using Kaspersky Security Center or standalone clients and I’ll produce step-by-step commands/screens tailored to that environment.