Answer
If you delete your account, or someone who has access to your email deletes it for you, there is no way to restore the account. If you would like to create a new account with the same email address and username as before, this may not be possible because usernames are assigned in blocks at specific times of the day.
how to recover deleted instagram account
How To Recover Permanently Deleted Instagram Account
1. Open your Instagram sign-in page.
2. Enter the username and password for Instagram.
3. Choose the forgot password option to reset your account credentials.
If you have previously deleted your Instagram account and wish to recover it, be aware that the Instagram policy states you cannot reactivate or recover the username if you have deleted it permanently. If you disable your account temporarily, at any point in time thereafter when desired, such as while on vacation, you can manage the temporary deactivation by visiting Instagram’s help center.
Instagram has a feature that lets users delete messages they’ve sent. Instagram doesn’t really delete unsent messages from its database. Instagram is letting people know consent messages haven’t been deleted.