kesl-cli --license --add-file /path/to/newkeyfile.key Or using the KES Windows command-line tool:

In the modern landscape of cybersecurity, businesses face an ever-evolving barrage of threats—ransomware, zero-day exploits, and advanced persistent threats (APTs). For system administrators and IT security managers, Kaspersky Endpoint Security (KES) remains a gold standard for robust, multi-layered protection. However, the backbone of any successful KES deployment is a valid, up-to-date, and properly managed license key file .

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