This is 100% free. It includes the original StarCraft and the Brood War expansion. You can download it through the Battle.net Desktop App.
Access to a ranked ladder and player profiles that track your stats. StarCraft: Remastered Free Download
Are you looking to play through the for the story, or are you interested in jumping into competitive multiplayer ? StarCraft - Battle.net This is 100% free
StarCraft: Remastered is a modern update of the 1998 classic real-time strategy game. While the high-definition version usually requires a purchase, Blizzard made the original game and its expansion free for everyone as part of the remaster’s rollout. 🚀 The "Free" Breakdown Access to a ranked ladder and player profiles
This is the paid upgrade. It provides 4K graphics, remastered audio, and a ranked competitive ladder.
A terrifying hive-mind swarm led by the Overmind. They consume entire worlds to evolve, eventually infesting the Terran psychic Sarah Kerrigan and turning her into the "Queen of Blades."