You might be asking: “In a world of Windows 11 and Ubuntu, why on earth would I waste time downloading a 30-year-old operating system design?”
Two reasons: Nostalgia and Niche Productivity.
If you want, I can:
Would you like a ready-to-publish blog post or step-by-step install guide?
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IBM no longer sells or supports OS/2. Therefore, some older versions (like OS/2 Warp 4.0) exist on abandonware sites. While this is legally gray, IBM has not been known to enforce copyright on these legacy ISOs. You can find OS/2 Warp 4.0 ISO files for free online. Caveat: These will not run on modern hardware, lack UEFI support, and cannot use NVMe drives. You would need to run them on a vintage PC or in an emulator like PCem or 86Box.
If you successfully get the ArcaOS trial ISO, you may encounter these hiccups.
Free trial / evaluation (if available):
Open source / free alternatives (if budget is a constraint):
If you simply want any OS/2 experience, and you don't specifically need modern drivers:
