Kaspersky Small Office Security Key «2026 Release»
Once the console is active, you do not need to enter the key again on every PC manually.
The most reliable repository. Every KSOS license is tied to a My Kaspersky account.
Direct in-app activation
License file (offline/enterprise)
Kaspersky is slowly transitioning to a subscription-based, keyless model similar to Microsoft 365. kaspersky small office security key
What is changing? Newer versions of KSOS (version 23 and beyond) prioritize login via My Kaspersky rather than manual key entry. You will sign into the console with your email and password, and the system automatically verifies your subscription.
However: The legacy 20-character Kaspersky Small Office Security Key will remain active for at least another 5-7 years to support offline environments, air-gapped networks, and businesses not ready to move to the cloud. Once the console is active, you do not
If you have a perpetual key (lifetime, though rare now), guard it with your life. Kaspersky no longer sells perpetual licenses; everything is annual subscription.
If KSOS is already installed on one computer but you need the key for another: Direct in-app activation