State of Decay 2 receives frequent free content updates that pirated versions cannot easily access.
Developer Undead Labs occasionally hosts "Free to Play Weekends" on Steam where the full game is downloadable and playable for a limited time, often accompanied by deep discounts if you choose to buy it afterward. state-of-decay-pc-game-free-download-full-version
If you missed a free window, the games are often heavily discounted on official storefronts: State of Decay 2 receives frequent free content
Offers the "Play Anywhere" feature, meaning if you buy it on PC, you also own it on Xbox consoles. state-of-decay-pc-game-free-download-full-version
Pirated versions typically lack access to the official Xbox Live servers required for the game’s cooperative multiplayer features. Where to Buy Legally (Best Deals)