Kaspersky Total Security 2021 21.3.10.391 For W... ((free))

One of the reasons build 21.3.10.391 for Windows is

Still safe to use, but vulnerability patches for the software’s own modules are no longer issued. Use at your own risk on internet-facing machines. Kaspersky Total Security 2021 21.3.10.391 for W...

This specific update (MR3) introduced several improvements over previous 2021 builds: Web Anti-Virus Enhancements One of the reasons build 21

Kaspersky Total Security 21.3.10.391 was a for Windows 10 in 2021. Today, it is outdated and should be replaced with Kaspersky Plus or another current security solution. It is not recommended for new installations. Today, it is outdated and should be replaced

If activation fails, ensure system date/time is correct (SSL certificate validation). Version 21.3.10.391 requires NTP synchronization.

Creates virtual vaults to lock sensitive data with AES-256 encryption. System Performance & Compatibility

One of the strongest selling points of version 21.3.10.391 was its light footprint. Independent tests from AV-Comparatives (April 2021) rated KTS 2021 as “very fast” with minimal slowdown.