V49451 — Download Subnautica Below Zero

If you are downloading the current version or any high-build legacy version, ensure your system meets these official requirements from Steam: : Windows 10 64-bit Processor : Intel Core i5 4XXX / AMD Ryzen 5 @ 3GHz+ Memory : 8 GB RAM Graphics : Nvidia 1050 Ti / AMD Radeon 570 (4GB VRAM) Storage : 15 GB available space Subnautica: Below Zero on Steam

If you specifically need v49451 for mod compatibility or speedrunning, you can use official "downpatching" methods rather than downloading potentially unsafe third-party installers:

The requested version, , is an legacy build from the game's Early Access period (around 2021). As of April 2026 , the current official version of the game is v1.22.55044 , which was released on April 13, 2026. Official Download & Availability Download Subnautica Below Zero v49451

: The game is also available for purchase on the Epic Games Store .

: You can purchase and download the game on the official Subnautica: Below Zero Steam page . If you are downloading the current version or

: The game is available on PlayStation (4/5), Xbox (One/Series X|S), and Nintendo Switch, including a specific Nintendo Switch 2 Edition released in February 2026. How to Access Older Versions (v49451)

To ensure game stability and security, it is highly recommended to download the game through official digital storefronts rather than third-party sites offering specific legacy version numbers. : You can purchase and download the game

: A mobile version for iOS and Android was recently launched in March 2026.