there are very few stebs all those are just making it so difficult flow these steps:-
1)go to start
2)type"cmd"
3)type"diskpart"
then write all these comands
list disk
select disk 1(replace 1 with your disk,u can check your disk by checking the size of your disk in "list disk")
clean
create partition primary
format fs=NTFS
exit
Its Done!!