Since it doesn't appear in the standard "All Programs" list for everyone, you can launch it manually: Open the menu and type wiaacmgr in the search box.
It supports saving images as JPEG, TIFF, BMP, or PNG . Note that it does not natively support scanning to PDF; you must use Windows Fax and Scan for that. Scanner And Camera Wizard Windows 7
Before a full scan, you can click Preview to adjust the scanning area by dragging markers over the image. Since it doesn't appear in the standard "All
If the wizard doesn't meet your needs, Microsoft suggests these built-in alternatives: Before a full scan, you can click Preview
You can tag your photos during the import process to make them easier to search for later. Modern Alternatives in Windows 7
You can choose the picture type (Color, Grayscale, or Black and White) and paper source (Flatbed or Document Feeder).
Found by searching "Scan" in the Start menu, this tool is better for multi-page documents and office use.