hi

i'm working on a movie that i'm just doing sort of as an exercise in my little film group. one of the scenes requires a completely white background (think....those old apple switch commercials) except that i don't know how to achieve that aside from actually having a set that's completely white...which we don't have. one of my co-workers say that i should be able to achieve it through after effects, but i've no idea how because i've no idea how to use after effects.

if anybody can point me somewhere, i'd appreciate it.

thanks