Several movies on latop

hi guys I use bitcomet to download some movies and i watch them in my laptop but i try to use the nero to copy that movies but i have a problem because i cant c them in any normal dvd . i do copy them but i only can watch them in my computer anyone cud help me and teach me whow to copy that movies so i can watch them in a normal dvd ? if yes i will say thanks for the help … and im new here but good job guys in this site its magic