For highly secure, isolated, or air-gapped corporate networks without internet access, Kaspersky provides a digital key file (usually with a .key extension). This file can be uploaded directly to the local application or deployed via the Kaspersky Security Center (KSC) to activate endpoints offline.
Once you purchase the license, you will receive an activation code via email. kaspersky endpoint security license key
If you do not specify an activation code or key file, the application will automatically be activated with a trial license for one month. For highly secure
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