No shipping because it's a free download. You'll have to sign up for an account during the process, but this will let you re-download the software for up to 3 years.
From their web site:
A cash register, rolodex and spreadsheet all in one - FREE!*
* Ring up sales and accept credit card payments2
* Track customer information to provide better service
* Run reports that give you key insights into your business
* Balance your cash drawer quickly and accurately with a simple wizard
* Save time on bookkeeping by transferring data right to QuickBooks
* Simple screens that look just like a cash register make it easy to learn and use.