Can I download Warcraft3+ exp Frozen throne Classic Version

Hello can I download classic version of Warcraft 3+ exp Frozen I can play it has been a while since I’ve played couple of years?

yes you can but online wont work

Can you reduce disc space so I can download with less gb disc space.Are the Certain Blizzard games full games or betta.Last time i played battle net game such as diablo 3 I’ve played Alpa version compited the game,killed Skelleton King came to Cain could not continue next.