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⇱ ReactOS Now Running On ARM64 In Experimental Form - Phoronix

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ReactOS Now Running On ARM64 In Experimental Form

Written by Michael Larabel in Operating Systems on 26 May 2026 at 08:54 PM EDT. 26 Comments
ReactOS as the "open-source Windows" project working to implement binary compatibility for computer programs and drivers for Microsoft Windows now has experimental support for running on 64-bit ARM.

ReactOS has long catered to i586 and AMD64 while thanks to the work of an open-source contributor the past many months, ReactOS is now able to boot on ARM64.

👁 ReactOS on ARM64


ReactOS shared on X the milestone today of this experimental ARM64 support. The screenshot shown has the experimental ReactOS code booted as a QEMU virtual machine targeting an Apple ARM64 processor.

👁 ReactOS promoting experimental build on 64-bit ARM


The ReactOS ARM64 build requires a UEFI compatible system with GICv2 or GICv3 enabled and can work on Armv8-A and newer.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.