Download the Starcraft 2 full game client Free. It contains no harmful attributes and currently running no advertisement software.

The game client is required in order to play on the server. There are no fees. You may need the latest version of the directX to be able to play.
Updates are likely to start automatically after selecting the game launcher after installation.
It is recommended right after installation to close the client then enter through the game launcher to begin patching

Minimum system requirements can be found via the readme.txt that can be read directly after installation.

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