Using Narrator dev mode
The August 2nd Windows 10 Anniversary update introduces Narrator dev mode, a new feature designed to help developers understand how screen readers consume content and identify which on-screen objects are accessible.
Windows
Useful Windows 8 Narrator commands
Windows 8's Narrator has several improvements and many characteristics you'd expect in a screen reader, though learning its unique keyboard commands presents a challenge for new users.
Useful Windows 8 shortcut keys for keyboard users
Windows 8 is a big change from Windows 7 with a completely reworked interface focused on touch, meaning a whole new set of keyboard shortcuts for keyboard users.
Windows 8 Narrator overview
Windows 8 has several accessibility improvements, with Narrator—Windows' built-in speech capability—much more configurable than before, offering many options you'd expect from a desktop screen reader.
Windows 7 accessibility features
Windows 7's Ease of Access Center brings together accessibility features including magnification, speech recognition, screen reading, and keyboard alternatives for users with diverse disabilities.