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⇱ Box64 0.3.4 Released: Faster & Steam Now Runs With Box32 On ARM64 - Phoronix


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Box64 0.3.4 Released: Faster & Steam Now Runs With Box32 On ARM64

Written by Michael Larabel in Linux Gaming on 10 March 2025 at 12:43 PM EDT. 9 Comments
Box64 0.3.4 is out today as the newest version of this open-source Linux x86_64 user-space emulator that runs on ARM64 as well as RISC-V 64-bit and LoongArch 64-bit systems.

Box64 is one of the exciting ways to be able to run Linux x86_64 binaries on AArch64 Linux systems and increasingly well for RISC-V and LoongArch but AArch64 (ARM64) remains one of the primary focuses. With Box64 0.3.4 the BOX32 code is now able to run the Steam gaming client on at least ARM64 but not for other architectures.

Today's Box64 release does improve the RISC-V 64-bit back-end so that it's faster and more stable along with supporting newer ISA extensions like RVV 1.0 and xThreadVector.

👁 Box64 logo


Box64 can also now emulate the Windows system calls when using Proton and having 48-bit address space support. Plus there is support for more opcodes, experimental support for GDB JIT, reworked CPU ID handling, improved memory tracing, numerous Dynarec enhancements, and a variety of other improvements to this emulator.

Downloads and more details on the Box64 0.3.4 release via GitHub.

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.