, as it is now free to play on all platforms, including PC, Mac, and consoles. Keys are now primarily used to activate paid DLC, such as expansion packs, game packs, or kits. Activating a License Key

To activate The Sims 4 using your license key:

No. Once a key is redeemed to an EA or Steam account, it cannot be used again. The license is non-transferable between accounts.

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