Use separate stores for different brands, product categories, or sales regions to keep catalogs organized.
Create a Store
Click the + button under Create New Store to start setting up your store.
Enter Store Details
Add a store name, region, and select your selling type as Marketplace 
Configure Channels
For Marketplace stores, select the platforms you wish to publish on (e.g., Amazon, Myntra, Ajio, etc.).
Create & Proceed
After confirming all details, click Create & Proceed to set up your store. 
Always select marketplace as your selling type. The D2C option requires set-up.