Yes, you can change your email ID on the "edit profile" page.
You can change your password on the "edit profile" page.
No, you can’t. You can only change your root password from within your VPS. You can’t change it on the "edit profile" page or on the control panel.
No, there isn’t. For security reasons, we don’t send root passwords via email. You can view your root password on your secure login page.
No, it’s not currently possible to delete or disable your account. However, you can easily suspend your VPS or remove it from your control panel.