D-LINK DES-1005D SWITCH

Normal questions or problems regarding the switch:
1) I have bought D-LINK DES-1005D SWITCH but i don’t know how to setup , can some one teach me on how to configure the switch and share the internet with another computer?
2) I have configured the D-LINK DES-1005D SWITCH but only one pc is connected to internet at a time… please help me… (this only happens [...]