Altium Change Grid Size

How can i change the grid from mil to mm or set my designator to Altium mil schematic designator mils Altium shortcuts scroll

7. Tutorial Change Unit and Grip to mm Altium Designer - YouTube

7. tutorial change unit and grip to mm altium designer Altium designer pcb layout with grid-selection shortcuts

How can I change the grid from mil to mm or set my designator to

7. Tutorial Change Unit and Grip to mm Altium Designer - YouTube

Altium Designer PCB Layout with Grid-Selection Shortcuts | PCB Design