General Requirements
Disk space: ~1,500 MB free
Internet access: Required for installation, activation, updates, and Kaspersky Security Network
Software dependencies:
Microsoft Windows Installer 4.5 or later
Microsoft .NET Framework 4 or later
CPU: Any processor with SSE2 support (Intel/AMD x86/x64)
Windows OS Support & Hardware Specs
| Operating System | CPU | RAM Requirement | Notes |
|---|---|---|---|
| Windows 11 (21H2/22H2/23H2) | ≥ 1 GHz (64-bit) | 4 GB (64-bit only) | No 32-bit or WSL2 support |
| Windows 10 (latest builds) | ≥ 1 GHz | 2 GB (64-bit) or 1 GB (32-bit) | WSL2 not supported |
| Windows 8.x / 7 SP1+ | ≥ 1 GHz | 2 GB (64-bit) or 1 GB (32-bit) |
Note: BFE (Base Filtering Engine) must be enabled for features like Safe Money and Anti-Banner.
Devices with Lower Specs
Tablets (Windows 8/10):
Intel Celeron ≥ 1.66 GHz
1 GB RAM minimum
Netbooks (e.g. Atom-based):
Intel Atom ≥ 1.60 GHz
1 GB RAM
Minimum screen: 10.1″, 1024×600 resolution
Browser Compatibility
Features like Safe Money, browser extension, and secure input work with:
Chromium-based Microsoft Edge (versions 77–88)
Google Chrome (versions 48–88)
Mozilla Firefox (versions 52–84)
Internet Explorer 8–11 (Protected Browser mode)
Yandex Browser (versions 18.3.1–20.12, with limitations)
Summary
To run Kaspersky Internet Security (1 User – Standard):
A modern Windows OS (Windows 10/11 preferred)
CPU with SSE2 support (Intel/AMD, 1 GHz or faster)
2–4 GB RAM depending on OS version
1.5 GB of free disk space
Compatible browser for full feature access
.NET Framework and internet access required








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