Mango TV can be registered and used without an invitation code. You can go to Mango TV official website or download the official application of Mango TV, and then follow the prompts to register. If you are using an official application, you can register by selecting "Mobile Number Registration" or "WeChat /QQ/ Weibo Login" on the registration page. If you use official website, you can click the "Register" button, and then follow the prompts to fill in the relevant information to register. If you encounter problems in the registration process, you can try to contact the customer service staff of Mango TV for consultation and help.