Before you commit to using this legacy version in 2024/2025, know the downsides:
(Maintenance Release 3) is a significant update in this product line, introducing critical compatibility and functional improvements. Key Features and Improvements in Version 21.3.10.391 Kaspersky Total Security 2021 21.3.10.391 for W...
This version was the last major release before Kaspersky shifted to a "subscription-only" model in Western markets. Here is what the 21.3.10.391 build offered at its peak: Before you commit to using this legacy version