
You receive login credentials to an account that already owns this game. The game is not added to your own library and the account may have usage conditions (e.g. offline mode). If you want a key to redeem on your own account, pick a non-account edition instead.
Dynamic seasons change everything at the world’s greatest automotive festival. Go it alone or team up with others to explore beautiful and historic Britain in a shared open world. Collect, modify and drive over 450 cars. Race, stunt, create and explore – choose your own path to become a Horizon Superstar.
Complete checkout — your code lands in your inbox in ~30 seconds, and is always available under Orders in your Gameplug account.
In the desktop client: top-left menu "Games" → "Activate a Product on Steam…" (or use the web link below).
Paste the key (format XXXXX-XXXXX-XXXXX) and accept the Steam Subscriber Agreement.
The game joins your library permanently — install it on any machine you sign in to.
Code not working? Contact support — confirmed-invalid codes are replaced or refunded.







