: If you need to activate the software on a machine without internet, you must first generate a .key file using an internet-connected system via your Kaspersky Business or Personal account and transfer it via USB.
If the standard download link only provides a "stub" (a small file that downloads the rest online), you can "capture" the full files using this method: Download the online installer from the official website . kaspersky total security offline installer link
Avoid "connection timed out" errors during the installation process. Installation Guide: Step-by-Step : If you need to activate the software