StarCraft II is available on:
It is not available on any console (PlayStation, Xbox, Nintendo Switch) or mobile devices. The game requires a Battle.net account and an internet connection for installation and play (offline mode available after login).
Minimum Specs (PC): Intel Core 2 Duo / AMD Athlon 64 X2, 4 GB RAM, NVIDIA GeForce 7600 GT / ATI Radeon HD 2600, 30 GB SSD/HDD space.