Enter Bilibili registration page.
4. Captcha confirmation, if everything right 'Click to get' button turn gray and confirmation email will be sent to you. Open email, copy number that you get (example - 394579) to 4 and press on Registration. In order to unlock all Bilibili features you still need to confirm phone number.
Bilibili ID confirmation
Enter Bilibili game page
Fill name (Must be in Chinese) , ID number and press on submit.
In order to get ID write in google - 'Chinese id generator'.