: It is frequently included in heavily discounted gaming bundles or seasonal sales on Epic Games System Requirements for Windows 7 The original Cities: Skylines supports Windows 7, but it strictly requires a 64-bit operating system . It will not run on 32-bit versions. Paradox Interactive Forums

To run smoothly on Windows 7, you generally need an Intel Core i7 930 or AMD FX 6350 processor, at least 4 GB of RAM (though 16 GB is recommended for large cities), and a dedicated graphics card like an Nvidia GeForce GTS 450 or AMD R7 250.

The base game and the majority of its DLCs run flawlessly on Windows 7 (64-bit). You do not need Windows 10 or 11 to enjoy this game. That said, you must ensure your system meets the necessary requirements, which we will detail shortly.