When you don't use your password so often, you may forget it. How to retrieve your password in a convenient and safe way? Here is a self password reset method.
DVR: K Series V4.2.00 and above/ HGHI-F V3.4.89 and above
NVR: V 4.21.000 and above
IP Camera: V 5.6.0 and above
How to Do Self-Service Password Reset on Hikvision Device Web