Kaspersky does not always provide a direct "one-click" offline installer on their main page, but you can find it through several official and community-tested channels:
However, many users face a frustrating paradox: To download the software that protects your internet connection, you often need a stable internet connection. This is where the becomes a lifesaver. kaspersky total security software download offline installer
Kaspersky maintains a hidden directory of static offline installers. As of the latest version (Kaspersky 21.x), you can use the following method: Kaspersky does not always provide a direct "one-click"