How to configure Microsoft DHCP server & Fortinet firewall as DHCP relay, D Link Switch as Host Vlan

How to configure Microsoft Server as DHCP server
How to configure Fortinet firewall as DHCP relay
D-Link Switch as Host vlan

#fortinetfirewall,
#d-linkswitchvlanconfiguration,
#fortinetdhcprelay,
#windowsserverdhcpconfiguration,
#microsftdlinkfortinet, .