Take a look at Magento Marketplace from the standpoint of a potential customer. Find the right extension , then purchase, download, and install it.
Find a Product
The Marketplace provides a number of tools that allow you to search for an extension that meets your needs.
Make a Purchase
Purchase an extension that is compatible with the edition and version of your Magento installation.
Download the Software
After you purchase the extension, download the software to prepare for installation.