The Steam Deck OLED has limitations in running certain Windows applications and games, particularly those with kernel-level anti-cheat systems. Valve has provided an official Windows driver bundle for the OLED model since 2024, and by 2026, a community-developed process for dual-booting Windows 11 alongside SteamOS has emerged. Running Windows 11 may be necessary for games that do not perform well on SteamOS, especially competitive titles. The Steam Deck OLED requires specific prerequisites for dual-booting, including a fully charged device, updated SteamOS, sufficient free storage, a Windows 11 license, and a USB flash drive for installation.
Users must follow a detailed installation process that includes updating SteamOS, creating a recovery drive, downloading Windows 11, and configuring the system for dual-booting. Common pitfalls include skipping the recovery drive and under-allocating storage for Windows. Battery life on Windows is shorter than on SteamOS, and users should be aware of this when deciding to dual-boot. The dual-boot setup does not void the warranty, and it is possible to revert to a SteamOS-only setup later.