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ArcaOS 5.1 is the first ever release of an OS/2-based operating system with the ability to boot from modern UEFI-based systems, with or without the assistance of a Compatibility Support Module (CSM).
Despite its 32-bit architecture, ArcaOS 5.1 is optimized for a wide array of modern Intel and AMD-based hardware. ArcaOS 5.1.0 now available - Arca Noae
The ISO can be burned or extracted to a USB flash drive. Arca Noae provides instructions on creating this bootable USB drive using virtually any modern operating system you have on hand, including Windows, macOS, or Linux. Arcaos 5.1 Iso
: For those running ArcaOS 5.0, the 5.1 ISO supports an in-place upgrade that automates the transition while preserving existing data. Pricing and Support Discounted Upgrades
On a 133MHz CPU, Arcaos 5.1 boots from ISO to desktop in exactly 11 seconds. Modern Linux distros cannot claim that. There is a meditative quality to using an OS that does exactly what you ask and nothing more.
To be productive immediately after installation, ArcaOS includes a suite of modernized utilities: Do you need assistance with configurations
Once you have your personalized ISO, you have two options:
ArcaOS 5.1 is a modern distribution of OS/2 Warp, developed by
While ArcaOS 5.1 can be installed natively on bare metal (dual-booting with Windows or Linux), the absolute best way to experience it in 2024 is inside a Virtual Machine. It completely eliminates the risk of hardware incompatibilities. Despite its 32-bit architecture, ArcaOS 5
That said, for preservation and educational use (e.g., running on a virtual machine disconnected from commercial activity), most rights holders turn a blind eye. You will not find this ISO on Amazon or eBay. You must rely on:
While eComStation served as the bridge for OS/2 into the early 2000s, ArcaOS 5.1 is the definitive path forward for retaining OS/2 capabilities on 21st-century hardware.