This is the most fascinating aspect of the 2023 version. Because the offline installer is built as a monolithic package, it comes with a massive database of signatures (definitions) baked in at the moment the installer was compiled.
: If you purchased a license, the confirmation email sometimes includes a direct link to a "full" installer rather than the standard web version.
: The 2023 transition simplified the product range into three clear plans: Standard, Plus, and Premium
: Copy this entire folder (often named after the version, e.g., pure21... ) to an external drive or your desktop.
Official offline installers are no longer prominently featured on main consumer download pages, which usually provide a small "web installer". However, they remain critical for specific use cases: Installation instructions for Kaspersky Anti-Virus 21