1. install the drivers for the scanner. Does it come with scanning software?
2. what software do you have on your computer that could capture images? Acrobat? Photoshop? A cheaper alternative?
Open whatever program you think you should get the scanned file in, and look around in your menus--there should be a way to scan directly from the photo editing/pdf editing software.
If you want to list what software you have (or if you need suggestions) let us know and we can provide more detail.