You can register for free, but you cannot receive and negotiate online because it has not been reviewed and is not credible. It is best to become a member of Alibaba's TrustPass. You can do it in your personal name or in the name of your company. To open an online store, you must first have your own products and what industry you plan to do. Alibaba is suitable for small commodities. According to the characteristics of the industry, choosing a website for promotion will be more effective. You also need to consider the purchase channels. You can open a store after the preliminary work is fully prepared. I don't know if I can help you.