Setting Up eCommerce Tracking in Google Analytics | Knowledge Base
From the Google Analytics Home screen, click the Admin button on the top navigation.
In the Admin panel, select the Account and Property that you intend to begin tracking. Then click on the Ecommerce Settings link in the right View column.
Click the Enable Ecommerce status button from the OFF to ON position.
Click the Submit button to finalize the setup.
Now your Google Analytics account will begin tracking Ecommerce transactions on your website.
To see how to get your Google Analytics Tracking Code and how to Enter it on NOPS, click here.