Creating and Setting Merchant Center
While creating Google Merchant Center Account use only one ID preferably one Gmail ID. Type Google Merchant Center on Google Search or use the one link on Google Account Dashboard. If you already have an account you can sign in or click on get started. After you get started you will see a dashboard pertaining to Google Merchant Center set up. Here you will get an offer to sign up as a new user or a member. Remember you can also connect your website with Google Merchant Center.
There are many sources provided on the center for beginners which can be used to learn about how to use the center for product display and sales. At the dashboard, you will get an option to sign up as a merchant if you are already a member. After signing in fill in the basic information asked for in the columns. You get an option to show the consumer on your website or the local store. Click on the one that suits you the best. Then you must click on Google Merchant Center Terms of Service.