Use a zipper foot on your sewing machine to get as close to the teeth as possible without hitting them.
Align the zipper face-down on the fabric edge and pin it securely.
If you have a file named KGxEotR.zip and want to see its contents or prepare it for use, follow these steps:
Right-click and choose "Extract All..." or use WinZip to unpack the data to a specific folder.
If "prepare a piece" refers to a sewing project involving a zipper: