I) Once in the Add page, click on the Marketplace Button for Store in the Red Box.

II) Enter the required Details: 

• Company Name: You can insert your Company Name here
• Person in Charge: You can insert your Person in Charge here
• Address, Country, Postal Code: You can insert your address details here.
• Phone: You can insert your Phone here.

The information in the purple-highlighted boxes are optional.

III) After that, press the "Save" button to save your details.