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.

Features

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