You can change your name for free the first time on Jawaker. After that, if you want to change it again, you can buy the feature using tokens. By following these steps:

  1. Click on the Settings icon on the main page.
  2. Next to your name, click on the "Change" icon.
  3. Purchase the name change feature.
  4. The name change feature will be  available to your account.

Remember, you can buy the feature and use it whenever you want.