i need help installing my wc3 through dos

[spectre2006]

i got a copy warcraft 3 and i want to play it without the cd
i went into dos prompt and typed in d: then typed in dir then i typed in cd patch~9 because my uncle told me part of what to do . then i typed dir then war3pa~8 then c: then cd\progra~1 then i dont know what to do after that
please help