HIKVISION DS-2CD2347G2-LSU - IP Camera Password Reset and Recovery; I forgot the password of IP CAMERA, how to reset it?

I forgot the password of IP CAMERA, how to reset it？
Whether they could hard reset
 HARD RESET
 HARD RESET with default password
If not，what is the version of the camera
 LOWER THAN 5.3.0 ---SECURE CODE
 Above 5.3.0—XML/ QR CODE