how to sign up for fba starts after registering for a professional seller account on Amazon. Inside the Seller Central dashboard, navigate to the settings section and enable Fulfillment by Amazon. Once activated, you can list products and designate them for FBA. The next steps include creating a shipping plan, preparing your inventory to meet FBA requirements, and sending the stock to Amazon’s fulfillment centers. After arrival and check-in, Amazon takes over the rest—handling orders, returns, and customer service. Signing up for FBA provides sellers with scalable logistics support and Prime eligibility.