Start by accessing Kinderpedia from your laptop / computer using a web browser (Chrome, Mozilla, Safari, etc.). Enter your credentials and click on "Login".
Step 1: Go to "Settings"> "My Account". The settings button is located at the top-right.
Step 2: Under your profile picture you will see a red button called "Terminate Account". Click on it to delete the account, you will be asked for your password for security reasons, type in your password and click on "Delete" to confirm.