What is the shortcut to have the computer voice read my document

[Mylisa]

I once read how to enter a code so my computer would read my document aloud
as I typed. It worked at the time, but I forget how I did it and can't find
an answer.

 

[Jay Freedman]

I once read how to enter a code so my computer would read my document aloud
as I typed. It worked at the time, but I forget how I did it and can't find
an answer.

See http://www.gmayor.com/word_text_to_speech.htm.