i need help with my first pc build

i am making my first pc build and i want to ask if these thing ate ok and if they are going to fit in the pc case because i wont be able to return them so i really need help and if there are computer nerds around pls help because i really want a pc and i've been playing on consol for around 6-7 years these are the parts and the pc case are thwy going to fit in pls help