When you purchase or renew an enterprise license, Kaspersky no longer sends a physical key file by default. Instead, you receive an activation code via email or through the Kaspersky Business Hub. Step-by-Step Retrieval
Set up automatic notifications in KSC to alert the IT team 30 to 60 days before a license expires. This ensures ample time to procure and deploy a new key file. kaspersky endpoint security key file new