gpresult /s RemotePC /user DOMAIN\Username /h DetailedReport.html
These commands are used on the computers receiving the policies, not the server managing them.
The primary command to launch the graphical interface is gpmc.msc . This command can be executed via the Run dialog (Windows Key + R), Command Prompt (CMD) , or PowerShell to quickly open the administrative tool for managing Active Directory Group Policy Objects (GPOs). Core Commands to Launch and Manage GPMC