If you have v.1.405.2.0 and want expansions, you must update the game — or purchase the Premium Add-ons Bundle (which grants them for the latest build). The expansions are separately installable on v.1.405.2.0 due to main executable dependencies. Comparison: v.1.405.2.0 vs. Current Build (v.1.648.x / 1.649.x) | Feature | v.1.405.2.0 (mid-2022) | Current Build (2025) | | ------------------------------ | ------------------------------- | ----------------------------------- | | Map size | 107 sq km (base) | 107 sq km + Hot Wheels + Sierra Nueva | | Total cars | ~520 | 850+ (including DLC packs) | | Multiplayer | Functional (if server accepts) | Fully active with Seasons, Horizon Tour | | EventLab props | Basic set | 300+ additional props | | Ray tracing | Forzavista only | Performance RT mode (60fps) on XSX | | Stability | Good offline; crash prone online | Highly stable after 20+ patches | | Expansions included | No | Yes (if you own Premium) | | Offline play | Full single-player | Single-player accessible (no seasons without login) |
: Open Settings → Apps → Forza Horizon 5 → Advanced options → Version number. Forza Horizon 5- Premium Edition -v.1.405.2.0 ...
Clearly, updating is superior for content and support. v.1.405.2.0 is only useful for very niche archival or modding scenarios. On Steam : Library → Right-click Forza Horizon 5 → Properties → Installed Files → Browse → right-click ForzaHorizon5.exe → Properties → Details → “Product version.” If you have v
But with the constant live-service nature of modern Forza , staying on v.1.405.2.0 means locking yourself out of two full expansions, over 300 cars, and critical stability updates. Unless you are an offline modder or collector, and enjoy the full Horizon Festival. Current Build (v