1. Open Instagram app and click on prfile.
2. Click on 3 line from top right corner.
3. Click on the "Setting".
4. Click on Help.
5. Click on the "Help Center".
6. Click on the 3 line from top.
7. Visit Manage "Your Account".
8. Click on "Delete Your Account".
9. Delete your Instagram account.
10. Scroll Down and click on "Delete your account".
11. Click on the Up and Down arrow and select your reason.
12. Finally, Enter the Password & Click on "Delete"