How to delete instagram account without password?

Click or tap Permanently delete my account. If you'd like to delete a different account, click the username in the top-right of the Delete Your Account page, tap/click on next to username and select Log Out. read more

If hackers didn’t take over your account, you may be able to retrieve your account via Apple Timeline,Google Passwords or Windows 10 Credential Manager which tends to store your usernames and passwords.After that, reset your email password.Then reset your Instagram Password.Then delete your account. read more

If you register your Instagram account through an email ID, you can request a change to your password and then delete it from there. If you have connected Instagram through Facebook, you can delete it from there. read more