On windows vista Microsoft word how do you get rid of the headlines?

It depends on what you mean by headlines and which version of Word you are using.

If you are using Word 2007 and the headlines you mean is when you type it looks like a title, then you just change the style to what you like or clear the formatting. In the main menu items at the top, you'll see different styles. click the one you like.

If this is not what you are looking for, then you need to elaborate more in your question.