Narrator — windowssystem32 arrator.exe
Start → All Programs → Accessories → Accessibility → Magnifier
The Narrator is used to assist those with visual impairments by using a voice synthesizer and your computer's sound hardware to read aloud text and the titles of screen elements. Check the "Announced events on screen" option to have Narrator speak messages that appear, the titles of Windows when they are activated, and the captions of many types of screen elements. Narrator can also speak each letter and number as its corresponding key is pressed on the keyboard.