BO

Bochs

Bochs is a portable IA-32 and x86-64 IBM PC compatible emulator and debugger mostly written in C++. It emulates Intel x86 CPUs, common I/O devices, and a custom BIOS, allowing many guest operating systems to run inside the emulator including DOS, Linux, Windows, BSDs, and others. It is used for OS development and running older software on modern hosts.
Latest: 3.0
Last checked: Jun 9, 2026 12:10am
Rank: 3982/15140
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Overview

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License: GNU Lesser General Public LicenseWinget: Available

Version & Lifecycle

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Current: 3.0

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

Community Notes

Deployment tip • May 11, 2026
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Bochs close-before-update note

Close Bochs before running managed Windows updates. The Bochs EXE update can fail with Exit Code 1 when the emulator is still open during the update process, so a deployment tool may need an explicit pre-close step instead of relying on the installer to handle the running process.

For Intune, ConfigMgr, RMM, or PSADT deployments, add a Bochs-specific conflicting-process rule or user prompt, then retry the update after bochs.exe and related emulator windows are closed. Use the official Bochs current-download page for release/source context: Bochs downloads.

Release Notes & Updates

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Avg cadence:
Updates • 0

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Also known as

Other names people use for this app — helps search and matching.

bochsbochs bochs

Notes

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Bochs was originally commercial software but was released under the GNU LGPL in 2000. It runs on multiple host OS including Linux, Windows, macOS, and Android. Support for Windows XP hosting ended with version 2.6.10.