Guide to Google Shopping: Create a Shopping campaign
To promote your products on Google, you’ll need to upload your products into Google Merchant Center and create a Shopping campaign in Google AdWords. Watch the video to learn how to create a Shopping campaign and start advertising your products.
Ready to learn more? Check out http://www.google.com/startwithshopping to get started, and http://goo.gl/wUccbn for more optimization tips.