1-> Open you notepad.
2-> Copy and paste the code on your notepad. Code
|Dim Message, Speak|
3-> Now save this text as Speak.vbs or "*.vbs" file. Don't save it as .txt file.
4-> Double click the saved file and a dialogue box will be opened like this:
5-> Enter some text in the box.
NOW YOUR COMPUTER WILL TALK, ENJOY