The complete game is a paid title. It requires approximately 8GB for the initial download and expands to roughly 25GB once installed.
The full game is primarily available through the Epic Games Store for Windows PC. Downloading the Game download-pc-building-simulator-2-v1-00-30b
While there are similar titles on mobile platforms, the official sequel is designed for PC; be cautious of "free download" links for mobile that may not be official releases. Narrative Concept: "The v1.00-30b Build" The complete game is a paid title
You can try the game for free by downloading the PC Building Simulator 2 Demo on the Epic Games Store, which lets you play the first five levels of Career Mode. download-pc-building-simulator-2-v1-00-30b