To delete your Instagram account, follow these steps: 1. Log in to your account and go to your profile page. 2. Tap the three horizontal lines and select 'Settings.' 3. Scroll down to 'Account,' then tap 'Delete Account.' 4. Enter your password, select a reason for leaving, and tap 'Permanently delete my account.' 5. Confirm the deletion and your account will be deleted after 30 days.