If you want to open a seller store on Amazon, you can follow the steps below:

Log in to the Amazon Seller Platform: Go to the Amazon Seller Center website and log in with your Amazon account.

Create a store: After entering the Seller Center, click "Manage Your Store" in the left menu bar, and then select "Add a New Store" to create a new store.

Fill in the store information: On the Create a New Store page, fill in the basic information of the store, such as store name, brand name, location, main sales category, etc.

Submit an application: After filling in the store information, click the "Submit Application" button.

Review: Amazon will review the store information you submitted, which may take several hours or days. After the review is passed, you can log in to the Seller Center and start setting up and managing your store.

It should be noted that opening an Amazon store requires compliance with Amazon's seller policies and regulations, such as not selling infringing goods, not engaging in false propaganda, and not spreading false reviews. In addition, sellers need to pay certain handling fees and commissions of the Amazon platform.