A key file is a file with the .key extension that you receive from Kaspersky. The purpose of the key file is to add a license key to activate the application.
After purchasing the application or ordering the trial version of the application, you receive a key file at the email address you specified.
You do not need to connect to Kaspersky activation servers in order to activate the application with a key file.
You can recover a key file if it is accidentally deleted. You may need a key file to register with Kaspersky CompanyAccount.
To restore a key file, contact the vendor of the license.
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