How to set Motion Detection on NVR and set Email Alerts?

Right click the mouse→【Main Menu】→【Record Conf.】→Tick Detect 

Right click the mouse→【Main Menu】→【Alarm】→【Intelligent Alert】

Tick Human Detect to detect human, or it only detect motion. And you can tick Show message, Buzzer, FTP Upload, Send Email, Write Log and Mobile Reported to get notifications.