ArcaOS 5.0 – commercial edition


ArcaOS 5.0 for commercial use.

SKU: ARCAOS50PRO Category:


ArcaOS 5.0 – commercial edition brings you OS/2 power and performance like never before. With support for a full range of existing and new OS/2 software, running on modern multi-core and multi-processor systems, take your OS/2 experience to the next level for the 21st century. The ArcaOS Commercial Edition is for business users and commercial enterprises.


ArcaOS may not install or run on all systems, and Arca Noae makes no claim that it does. If you are unsure as to the suitability of your hardware for ArcaOS, please review this wiki page or contact us. There is no trial or demonstration version available.

All license sales are final. Once your personalized ISO has been downloaded, you have effectively torn the shrinkwrap off of physical media, and there is no way for us to return that to stock. We are very happy to work with you to resolve any installation or operational issues which you may have, and we continue to improve hardware support for ArcaOS.


  • Supports for a wide range of modern hardware.
  • Runs all OS/2 Warp 4 applications natively.
  • Support for running as a guest OS in a virtual machines such as VirtualBox, VMware and VirtualPC.
  • JFS, HPFS, FAT32, and FAT16 native filesystem support.
  • Support for up to 32 processor cores.
  • Samba 4 connectivity, with Kerberos authentication enabling you to connect to Windows/Linux network shared drives and printers.
  • Many enhancements to the user interface, such as:
    1. Totally fresh look (new icons, fonts, backgrounds).
    2. New File Open Container with cross-application history, preview, and customizable look.
    3. Scalable desktop icons, up to 128×128, based on popular Linux desktop themes.
  • Time synchronization with servers around the globe.
  • Automated critical file checkup at each system start.
  • Bundled apps and utilities to make you productive right from the first boot.
  • 12 months (one year) of priority technical support and updates included. See the Support Info tab, above, for more details.

Note: After your purchase, you will receive an email when your personalized image of ArcaOS is ready. To learn how to access your download after purchase and how to burn the ISO image to DVD or create a bootable USB installation stick, visit this wiki page.

System Requirements for ArcaOS

  • Intel Pentium Pro / AMD K6 or higher CPU; 64 bit CPU’s are supported.
  • 512MB RAM (2GB recommended).
  • Traditional BIOS (or fully-capable CSM for UEFI-based systems).
  • Supported card/chipset for network access (see this wiki page for more details).
  • Supported card/chipset for audio (see this wiki page for more details).
  • 2GB free disk space.
  • USB or PS/2 port for keyboard and/or mouse.
  • DVD drive (internal or USB-attached) or USB stick (flash drive) at least 2GB in size required for installation; DVD burner required to create DVD installation media (not necessary for USB stick).

See this wiki page for more details.

License agreement

For your convenience, you may download the ArcaOS 5.0 End User License Agreement here.


Support Info

ArcaOS 5.0 Support & Maintenance subscriptions are available to all ArcaOS 5.0 licensees.

Commercial edition licenses for ArcaOS 5.0 include twelve (12) months (one full year) of Support & Maintenance. Renewals of Support & Maintenance are available at a cost of $115 per year (less an early renewal discount of 10% when renewed or extended before expiration). If renewed after a lapse in coverage of (6) months or more, the subscription reinstatement (late renewal) fee applies, and this is $228. This late renewal starts a new 1-year term from the date purchased.

For more information about late renewals, see this FAQ item.

To renew, extend, or add a Support & Maintenance subscription to your ArcaOS 5.0 license:

  1. Log into your account here.
  2. From your customer portal, access your Orders & Subscriptions page from the navigation links on the left.
  3. Locate the ArcaOS 5.0 license order to which you want to attach the subscription, and click its View button.
  4. Click the Renew button in the Order Details section of the page to add the subscription to your cart.
  5. Check out.

ArcaOS 5.0 Support & Maintenance subscriptions are metered 1:1 to ArcaOS licenses (one ArcaOS 5.0 license is covered by one ArcaOS 5.0 Support & Maintenance subscription).

Note that there are major differences between the ArcaOS 5.0 Support & Maintenance subscription and the OS/2 & eCS Drivers & Software subscription. This table compares them in detail.


ArcaOS is available throughout the world, either directly from Arca Noae or through one of our resellers or partners.

However, if you are located in one of the following countries/regions, please contact your local IBM office for information concerning how to license ArcaOS:

Abu Dhabi
Costa Rica
Dominican Republic
El Salvador
Saudi Arabia

Volume Discounts

ArcaOS 5.0 Commercial edition is available for discounted purchases at the following volume license tiers:

Licenses Discount
25 2.5%
50 5%
100 10%
250 15%
500 20%
1000 25%

Volume discounts apply to regular and sale prices for ArcaOS 5.0 Commercial edition.