how to install window 7 without disk or usb

i'm not very used to using the mac os system, so I would like to install window 7 to my laptop(macbook pro)

I don't have a usb or a mac installation disk so is there any way to install it to my computer?

😢i have something to do (my career) that is associated with using a software and i was unable to install it because it was a mac plz help

i'm not sure what operating system it is i think this is something called lion