A is a file with the .key extension that you receive from Kaspersky. Its primary purpose is to add a license key that activates the Kaspersky Endpoint Security application. Think of it as a digital certificate that your software presents to confirm it has a valid license to operate. This file contains unique alphanumeric sequences that, when applied, authenticate your product and grant access to the full features of your license, such as malware protection, security controls, and data encryption tools.
Enter your and email address to receive the .key file via email. kaspersky endpoint security key file new