How to Change your username,email and edit account in Instagram?
To update your profile information (username, display name, email address, etc.):
- Tap the Profile tab.
- Tap “Edit Your Profile” at the top right of your screen
- Tap “Submit” after updating your information.
You can also update your profile information here: http://instagr.am/accounts/edit/
To change your password, visit: https://instagram.com/accounts/password/change/
If you’ve forgotten your password, visit: https://instagram.com/accounts/password/reset/