Steps to delete an Instagram account permanently.
- In your Instagram app, tab settings.
- In your settings page, tab help.
- In help, tab help center.
It will take you to help page in the web browser. - Tap managing your account.
- Tap delete your account.
- Tap "How do I delete my account"
- Tap delete your account page.
- If not login, login to Instagram.
- Select from drop down why you want to delete your account.
- Type your password.
- Tap Permanently delete my account.
Done