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What are NVDA's Features and System Requirements?

About NVDA

The NVDA screen reader allows blind and vision-impaired people to access and interact with the Windows operating system and many third-party applications.

System Requirements

  • Operating Systems: all 32-bit and 64-bit editions of Windows 7, Windows 8, Windows 8.1, Windows 10, and all Server Operating Systems starting from Windows Server 2008 R2.
    • For Windows 7, NVDA requires Service Pack 1 or higher.
    • For Windows Server 2008 R2, NVDA requires Service Pack 1 or higher.
  • Memory: 256 MB or more of RAM
  • Processor speed: 1.0 GHz or above
  • About 90 MB of storage space.


  • Support for popular applications including web browsers such as Mozilla Firefox and Google Chrome, email clients, internet chat software, music players, and office programs such as Microsoft Word and Excel
  • Built-in speech synthesizer supporting over 50 languages, plus support for many other 3rd party voices
  • Reporting of textual formatting where available such as font name and size, style and spelling errors
  • Automatic announcement of text under the mouse and optional audible indication of the mouse position
  • Support for many refreshable braille displays, including input of Braille via braille displays that have a braille keyboard
  • Ability to run entirely from a USB flash drive or other portable media without the need for installation
  • Easy to use talking installer
  • Translated into more than 50 languages
  • Support for modern Windows Operating Systems including both 32 and 64-bit variants
  • Ability to run on Windows logon and other secure screens
  • Announcing controls and text while interacting with gestures on touch screens