ArcaOS 5.1.1 and later editions are available in multiple National Language Versions (NLVs), including English, German, Spanish, and Russian. Technical Specifications & Requirements
Improved drivers for faster file transfers and reliable usage of modern USB peripherals, including bootable USB sticks created from the ISO across Windows, Linux, and macOS. arcaos 51 iso exclusive
The headline feature of the 5.1 ISO is its native support for . For the first time in the platform's history, an OS/2-based system can boot on modern PCs that run purely in UEFI mode without requiring a Compatibility Support Module (CSM) or "Legacy BIOS" emulation. Furthermore, ArcaOS 5.1 includes Secure Boot certificates, allowing users to keep Secure Boot enabled (critical for dual-booting with Windows 11), or disable it if necessary. This breakthrough essentially removes the largest obstacle preventing OS/2 from running on post-2020 hardware. ArcaOS 5
is the latest major release of the OS/2-based operating system developed by Arca Noae . This version is significant because it provides native support for modern hardware that was previously incompatible with the OS/2 architecture. Key Features of the 5.1 ISO UEFI support in ArcaOS 5.1 - update for February, 2022 For the first time in the platform's history,