If you have a business license and need to activate a product offline, follow these steps to receive your key file: Visit the Portal : Go to the Kaspersky Key File Generation Page Enter Credentials : Provide your 20-digit activation code and a valid email address Complete Security : Check the "I am human" captcha box. Confirm Terms

To get a key file, you must use the official Kaspersky KeyFile service .

To convert a Kaspersky activation code ), you must use the official Kaspersky business portal. This process is exclusively available for business solutions Official Conversion Method

The home versions hide this feature. You need to click "Activate" first, then look for a small hyperlink that says "Use key file" – it is intentionally small.