Kaspersky Total Security 2021 21.3.10.391 For W... -

is a premium, comprehensive cyber-protection suite designed by Kaspersky Lab to shield personal computers from real-time digital threats. This specific version represents Maintenance Release 3 (MR3), a highly stable and optimized build celebrated for its refined core modules, minimal system footprint, and robust defense mechanisms against evolving malware, ransomware, and phishing campaigns.

(Date: March 23, 2026)

Kaspersky has transitioned to a new product lineup: . The current Kaspersky Plus is the direct successor to Kaspersky Total Security in its feature set. Kaspersky Total Security 2021 21.3.10.391 for W...

This paper provides an overview of , focusing on its features, system requirements, and the specific improvements introduced in this release for Windows users . Overview: Kaspersky Total Security 2021 (21.3.10.391)

The experience had also highlighted the importance of regular software audits and the need for proactive measures in maintaining cybersecurity. Emily made a mental note to schedule regular check-ins to ensure that all software remained up-to-date and that their defenses against cyber threats continued to be robust. The current Kaspersky Plus is the direct successor

"Kaspersky Total Security 2021 (version 21.3.10.391) for Windows – comprehensive multi-device security including antivirus, VPN, password manager, and parental controls."

What set this version apart from standard antivirus was the inclusion of four major tools: Emily made a mental note to schedule regular

Die Kaspersky Total Security Suite ist bekannt für ihre Vielseitigkeit. Hier sind die Kernfunktionen, die diese Version auszeichnen:

The UI of version 21.3.10.391 balances simplicity for casual users with depth for power users.

One of the biggest selling points of version 21.3.10.391 was its light footprint. During independent tests (AV-Comparatives, Q1 2021), this version scored an "Advanced+" rating.