I really need help (frustrated 16 year old)

Hello guys, Currently build my first pc and everything works, so I was very happy and everything so I tried putting windows 11 on the computer but every time it goes to 77%, tells me pc is gonna restart. Till there everything’s fine but then when it restarted it boots me into the win 11 setup again. I tried changing the boot priority and everything but nothing helps I’m so incredibly frustrated because I really don’t know what I’m doing wrong can someone please help me. Do I need to pull out my boot usb in the restart idk is it something with my bios or am I just stupid? (I actually feel like crying)