Frequently on sale for under $10 during seasonal events.
Searching for "free download full version" often leads to "cracked" or "repack" sites. It is highly recommended to avoid these for several reasons: state-of-decay-pc-game-free-download-full-version
Offers the "Play Anywhere" feature, meaning if you buy it on PC, you also own it on Xbox consoles. Frequently on sale for under $10 during seasonal events