To add a new store right click on the Stores container and select Add Store from the popup menu. Alternatively you can select Add Store from the New menu. This will bring up the "Add/Modify Store" dialog shown below:
You must enter a name for every store. You may then enter any of the other information. If an email address or web page is entered you can directly email the store or jump to their web site by clicking on the blue "Email" and "Web Page" headings
You may enter any notes you would like.
Click Save to create the new Store or Cancel to abort.