General requirements

• 1500 MB of free disk space.
• A processor that supports the SSE2 instruction set.
• Internet connection (for installation and activation, participation in the Kaspersky Security Network, as well as database and program module updates).
• Microsoft Internet Explorer 8.0 or later 
  • We recommend using Microsoft Internet Explorer 9.0 or later for accessing My Kaspersky.
  • The Anti-Banner component works with restrictions. We recommend using Microsoft Internet Explorer 9.0 or later.
• Microsoft Windows Installer 4.5 or later
• Microsoft . NET Framework 4 or later
• Webcam access protection is only provided for compatible webcam models.
• On 32-bit operating systems it’s not possible to use a hypervisor for protection.
• The application cannot be installed on a system or boot drive that uses the FAT32 file system.

Operating system requirements

• 1 GHz processor or faster.
• 1 GB of free RAM for 32-bit systems and 2 GB of free RAM for 64-bit systems.

These requirements concern the following operating systems:

• Microsoft Windows 7 Starter (Service Pack 0 or later)
• Microsoft Windows 7 Home Basic (Service Pack 0 or later)
• Microsoft Windows 7 Home Premium (Service Pack 0 or later)
• Microsoft Windows 7 Professional (Service Pack 0 or later)
• Microsoft Windows 7 Ultimate (Service Pack 0 or later)
• Microsoft Windows 8 (Service Pack 0 or later)
• Microsoft Windows 8 Pro (Service Pack 0 or later)
• Microsoft Windows 8 Enterprise (Service Pack 0 or later)
• Microsoft Windows 8.1 (Service Pack 0 and Windows 8.1 Update)
• Microsoft Windows 8.1 Pro (Service Pack 0 and Windows 8.1 Update)
• Microsoft Windows 8.1 Enterprise (Service Pack 0 and Windows 8.1 Update)
• Microsoft Windows 10 Home (versions 507, 1511, 1607, 1703, 1709, 1803, 1809, 1903)
• Microsoft Windows 10 Enterprise (versions 1507, 1511, 1607, 1703, 1709, 1803, 1809, 1903)
• Microsoft Windows 10 Pro (versions 1507, 1511, 1607, 1703, 1709, 1803, 1809, 1903)

For more details about using Kaspersky Total Security on Windows 10, see this article.

Supported browsers

• Browsers that support the Kaspersky Protection extension:
  • Microsoft Internet Explorer 8.0, 9.0, 10.0, 11.0 and later*
    Internet Explorer versions 8.0–11.0 in the new Windows interface style are not supported. Automatic installation of the extension in the browser is not supported on Windows 10.
  • Mozilla™ Firefox™ 52.x–65.x and later*
  • Mozilla Firefox ESR 52.x–60.x and later*
  • Google Chrome 48.x–72.x and later*
• Browsers that support On-Screen Keyboard, Secure Keyboard Input and encrypted connections scanning:
  • Microsoft Internet Explorer 8.0, 9.0, 10.0, 11.0 and later*
    Internet Explorer versions 8.0–11.0 in the new Windows interface style are not supported.
  • Microsoft Edge (with limitations)
  • Mozilla Firefox 52.x–65.x and later*
  • Mozilla Firefox ESR 52.x–60.5 and later*
  • Google Chrome 48.x-68.x and later*
• Browsers that support Protected Browser mode:
  • Microsoft Internet Explorer 8.0, 9.0, 10.0, 11.0 and later*
    Internet Explorer versions 8.0–11.0 in the new Windows interface style are not supported.
  • Microsoft Edge (with limitations)
  • Mozilla Firefox 52.x–65.x and later*
  • Mozilla Firefox ESR 52.x–60.x and later*
  • Google Chrome 48.x-72.x and later*
  • Yandex Browser 18.3.1–19.0.3 and later* (with limitations)

*Support of newer versions of these browsers is possible, but not guaranteed in full.

Kaspersky Total Security supports Google Chrome and Mozilla Firefox on both 32-bit and 64-bit operating systems. Internet Explorer 11.0 is not supported in Compatibility Mode on Microsoft Windows 10 RS5 and later.

Supported versions of Microsoft Office Outlook

The Mail Anti-Virus and Anti-Spam components are compatible with:

• Microsoft Office Outlook 2003
• Microsoft Office Outlook 2007
• Microsoft Office Outlook 2010
• Microsoft Office Outlook 2013
• Microsoft Office Outlook 2016

The Windows Live and Windows Mail email clients included in Windows 7 and Windows 10 respectively are not supported.

Requirements for tablets

• Microsoft Windows 8, Microsoft Windows 8.1 or Microsoft Windows 10
• Intel Celeron processor at 1.66 GHz or faster
• 1000 MB of free RAM

Requirements for netbooks

• Intel Atom processor at 1600 MHz or faster
• 1024 MB of free RAM
• 10.1-inch display with a 1024x600 screen resolution
• Intel GMA 950 or later graphics processor