About the key file

A key file is a file with the .key extension provided to you by Kaspersky Lab. A key file is intended for adding a key that activates the application.

You receive your key file through the email address that you specified after purchasing Kaspersky Security Center or after ordering the trial version of Kaspersky Security Center.

To activate the application using a key file, you do not have to connect to Kaspersky Lab activation servers.

If the key file has been accidentally deleted, you can restore it. You may need your key file, for example, to register with Kaspersky CompanyAccount.

To restore your key file, you must perform either of the following actions:

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