Kaspersky Total Security 2021 21.3.10.391 For W... ^new^ Jun 2026

No software is perfect. Users reported two minor bugs in this build, both later patched in patch B and C (though the base version number stayed 21.3.10.391):

Strengthening Your Digital Fortress: A Look at Kaspersky Total Security 2021 (v21.3.10.391) Kaspersky Total Security 2021 21.3.10.391 for W...

Before installing, ensure your PC meets these minimum specifications: Requirement Specification Operating System Windows 7 (SP1+), 8, 8.1, 10, or 11 1 GHz or faster (supporting SSE2 instructions) Memory (RAM) 1 GB (for 32-bit) / 2 GB (for 64-bit) Disk Space 1500 MB of free space Internet connection; .NET Framework 4 or higher Why Choose This Version? No software is perfect