Rasperry-Pi 5 PC Setup

So ne and some Friends are in an electronics school and WE are supposed to Set Up a Raspberry Pi 5 and we Got the right Programm from the Raspberry Site and all and WE have the Power supply connected and alle that but its still Not working Pls Help 🥲

A few more details please. Does not work is not a fault description that we can do anything with. Which OS was installed? On what (SD card, USB stick, M.2 Nvme) have you installed the OS? Is a monitor connected? If so, what is displayed?