how do i delte my apple itunes account

what do you mean? Delete from your device or delete the account itself, if it’s the account.

1. Open a web browser on your Mac, PC, or iPad, and navigate to privacy.apple.com. The option is not available on iPhone.
2. Enter your Apple ID email and password. Answer any security questions or authorize two-factor authentication on another device if prompted.
3. On the Apple ID & Privacy page, select Continue.
4. Under Delete Your Account, select Get Started.
5. Select a reason for deleting your account from the dropdown menu, such as "prefer not to say," and select Continue.
6. Review the checklist of important things to know before deleting your account and select Continue.
7. follow the instructions.