Can I install Starcraft 2 multiplayer only, without campaign?
Nope, unfortunately you cannot pick and choose. However, HotS was less than 5GB for me, you should be fine.
EDIT: I did digital download, IDK if a physical copy is bigger/smaller.
Nope, unfortunately you cannot pick and choose. However, HotS was less than 5GB for me, you should be fine.
EDIT: I did digital download, IDK if a physical copy is bigger/smaller.