I see this link on the Blizzard support site that provides downloads to classic D2 and LoD but I haven't tested them out to see if they ask for a CD key or not.

I see this link on the Blizzard support site that provides downloads to classic D2 and LoD but I haven't tested them out to see if they ask for a CD key or not. https://us.battle.net/support/en/article/13867 https://us.battle.net/support/en/article/13867