The key file is a file named license.key provided to you by Kaspersky. The key file is used to add a license key that activates the program.
You receive a key file at the email address that you provided after purchasing KUMA.
You do not need to connect to Kaspersky activation servers in order to activate the program with a key file.
If the key file has been accidentally deleted, you can restore it. You may need a key file, for example, to register with Kaspersky CompanyAccount.
To restore the key file, you need to do one of the following: