- Make sure you have "Hide extensions for known types" unchecked under Explorer Folder Options. - If you own only StarCraft, copy "INSTALL.EXE" from the StarCraft CD to your StarCraft folder and rename it to "StarCraft.mpq". - If you own StarCraft: Brood War, copy "INSTALL.EXE" from the StarCraft: Brood War CD to your StarCraft folder and rename it to "BroodWar.mpq".
Read the instructions.. you need the cd..