When you create an account on TikTok, you will have the option to enter your username. If you want to change it, it is possible to do so, but keep in mind that once you change it, you will only be able to change it again in 30 days. Also, the username must be unique and can only contain letters and numbers.
- How to Change Your Username on the TikTok Website
- Click on the profile icon, then on View profile
- Click on Edit Profile
- In the Username field, enter the username you want to use
- Click on Save
- Click on Confirm