A family of Microsoft word processing software products for creating web, email, and print documents.
Windows 7 has a Snipping Tool that you can use to create a screenshot.
But even without that, it's quite easy:
Open the Word document and make sure that he entire page is visible.
Press the PrtScn (PrintScreen) button.
Select Start > All Programs > Accessories > Paint.
Press Ctrl+V to paste the screenshot.
Use the various tools in Paint to remove the parts you don't need.
Save as a .jpg file.