Google’s long-rumored “Campfire” efforts — the code-name for a Chrome OS capability that would let certain Chromebooks boot and run alternative operating systems such as Microsoft Windows 10 — have repeatedly surfaced in public code and reporting over the last several years. What began as experimental commits and “AltOS” traces in Chromium revealed active developer exploration and even hints that Google tested Windows certification paths for Pixelbook-class hardware. At the same time, public Chromium comments later marked the effort as deprecated, and independent community projects and firmware hacks kept the idea alive outside official channels. The net result is a mixed picture: powerful technical potential and real user demand, but major engineering, security, and business hurdles that have so far prevented Campfire from arriving as a supported, mainstream feature. (9to5google.com, aboutchromebooks.com)
Chromebooks have been intentionally designed for a secure, simplified, cloud-first computing model. Chrome OS emphasizes verified boot, tight firmware control, and a compact, managed user experience. Despite this, Google engineers and the broader Chromium community have intermittently explored support for an “AltOS” mode — code that would allow some devices to boot an alternate OS natively, similar in spirit to Apple’s Boot Camp concept. Early traces of this work were reported as Project Campfire and discussed publicly after developers found “AltOS” and “campfire” references in Chromium commits. Those traces included direct developer notes about attempting to boot Windows and encountering very early kernel failures (BSODs) on Chrome hardware — the sorts of low-level problems that prove experimentation but do not guarantee a shipped feature. (github.com)
The interest behind Campfire was straightforward: premium Chromebooks (think Pixelbook-class devices with higher-performance CPUs, NVMe storage, and more memory) could plausibly run full Windows and therefore access Microsoft’s vast catalog of desktop applications. That would make such hardware more versatile in enterprise and prosumer markets. However, the engineering complexity, certification needs, and the business calculus for Google, hardware OEMs, and Microsoft created powerful headwinds. By mid-2019, the publicly visible Campfire traces in Chromium were marked deprecated — not announced, not shipped — and most reporting treated the effort as shelved, at least in its original form. (9to5google.com, pcworld.com)
Key indicators to watch for in the future:
Conclusion: Campfire is an intriguing chapter in Chrome OS’s evolution — one that exposed technical possibilities and market tensions. It remains a powerful "what if" that highlights how modern operating-system ecosystems are shaped as much by firmware and business relationships as by kernels and drivers.
Source: Mashdigi Google may use Campfire to allow more Chromebooks to install Windows 10
Background / Overview
Chromebooks have been intentionally designed for a secure, simplified, cloud-first computing model. Chrome OS emphasizes verified boot, tight firmware control, and a compact, managed user experience. Despite this, Google engineers and the broader Chromium community have intermittently explored support for an “AltOS” mode — code that would allow some devices to boot an alternate OS natively, similar in spirit to Apple’s Boot Camp concept. Early traces of this work were reported as Project Campfire and discussed publicly after developers found “AltOS” and “campfire” references in Chromium commits. Those traces included direct developer notes about attempting to boot Windows and encountering very early kernel failures (BSODs) on Chrome hardware — the sorts of low-level problems that prove experimentation but do not guarantee a shipped feature. (github.com)The interest behind Campfire was straightforward: premium Chromebooks (think Pixelbook-class devices with higher-performance CPUs, NVMe storage, and more memory) could plausibly run full Windows and therefore access Microsoft’s vast catalog of desktop applications. That would make such hardware more versatile in enterprise and prosumer markets. However, the engineering complexity, certification needs, and the business calculus for Google, hardware OEMs, and Microsoft created powerful headwinds. By mid-2019, the publicly visible Campfire traces in Chromium were marked deprecated — not announced, not shipped — and most reporting treated the effort as shelved, at least in its original form. (9to5google.com, pcworld.com)
What the record shows: AltOS, Pixelbook traces, and later deprecation
Developer traces and “AltOS”
- Public Chromium commits referenced an “AltOS” boot path, and device branches such as “eve-campfire” (eve being the Pixelbook codename) were visible. Those commits contained technical comments indicating tests with Windows boot flows and calls out to Windows Certification tooling. That level of commit detail is rare and is a clear signal that engineers tried to reconcile Chrome OS firmware with Windows boot expectations. (xda-developers.com)
- The specific developer-level debugging language — including comments describing Windows blue-screen-like failures during boot — is technical proof of hands-on testing, not product intent. Developer commits are windows into experiments and can be stopped, rewritten, or abandoned without ever reflecting a shipping roadmap.
Pixelbook and Windows certification signals
- Independent reporting identified references to Microsoft’s WHCK/HLK (Windows Hardware Certification Kit / Hardware Lab Kit) within Pixelbook-related code branches — the very tools hardware makers use to certify devices for Windows. That suggested Google tested the certification process for at least one flagship Chromebook variant. Two independent outlets documented those traces and reached similar conclusions about Pixelbook-targeted work. (xda-developers.com, androidcentral.com)
Deprecation and shelving
- Despite the experiments, subsequent Chromium commits and public coverage show the AltOS/Campfire work being marked as deprecated — effectively shelved in the public code stream. Major tech outlets picked up and confirmed these deprecation traces around mid-2019, concluding that Project Campfire was no longer in active public development. That does not entirely rule out future resurrecting, but it does mean the feature did not move into Google’s formal product funnel at that time. (9to5google.com, aboutchromebooks.com)
Technical realities and constraints
Storage and install footprint
Microsoft’s stated minimum disk requirement for Windows 10 installations is now 32 GB (64-bit installs), a baseline established in the May 2019 Windows 10 update. Chrome OS images plus user partitions have their own footprint. In practice, a dual-boot arrangement that leaves both OS installations usable and leaves room for updates and application installs typically needs significantly more headroom than the bare minimums. That’s why many Chromebooks — which historically shipped with 16 GB, 32 GB, or 64 GB eMMC/NVMe configurations — are poor candidates for a supported native Windows dual-boot out of the box. For example, premium Pixelbook SKUs with 256 GB+ SSDs are the only broadly suitable mainstream devices without modification. (microsoft.com, digitaltrends.com)Firmware, UEFI, and secure-boot differences
Windows and Chrome OS have historically relied on different firmware conventions and verified-boot expectations. Chrome OS devices prioritize a locked, verified boot chain to protect users and fleets; Windows expects specific UEFI layouts, signed boot components, and ACPI tables formatted in ways Windows drivers assume. Reconciling those differences requires either:- Reworking firmware images and signing approaches (complicated by Chrome OS’s security model), or
- Shipping a separate firmware mode that presents a Windows-friendly environment while preserving Chrome OS security guarantees when Windows is not in use.
Driver support and peripherals
Even if Windows can be coaxed past the bootloader, every device component needs a Windows driver — display controllers, audio codecs, touch controllers, styluses, power-management and suspend/resume workflows, cameras, Wi‑Fi, Bluetooth, and fingerprint/biometric hardware. Chromebook hardware often uses vendor drivers oriented to Linux or Chrome OS, not Windows. Google could mitigate this by collaborating with OEMs and Microsoft for signed Windows drivers on selected hardware, but that requires long-term driver maintenance commitments from OEMs. Community projects have demonstrated partial success but also show the effort required to achieve full functionality. (github.com, digitaltrends.com)Community work: hacks, firmware, and unofficial dual-boot methods
When official work slowed or was deprecated, the enthusiast community picked up the ball. The Chromebook hacking ecosystem has matured, and several projects demonstrated that with firmware unlocking and driver development, Windows can run on certain Chromebook hardware.- MrChromebox and other firmware projects enable UEFI boot on Chrome OS devices, which is a precondition for many Windows installs done by enthusiasts. Community guides (e.g., Brunch, Chrultrabook) and forks show step-by-step procedures to flash firmware, prepare partitions, and install Windows. Those procedures often require physically disabling firmware write-protect or using debug cables — actions that void warranties and carry genuine brick-the-device risk. (github.com, digitaltrends.com)
- Community repositories and guides document working configurations: e.g., Pixelbook-Campfire forks, Brunch-based setups, and later efforts to make Windows run on AMD-based Chromebooks. These community efforts are valuable proof-of-concept work but are not substitutes for OEM-supported drivers, firmware signing, or consumer-friendly install experiences. (github.com, reddit.com)
Business, certification, and partnership considerations
Running Windows as a supported, first-class OS on Chrome hardware is not only a technical exercise; it’s a business and legal negotiation.- Microsoft device certification involves passing HLK/WHCK suites so hardware can ship with Microsoft’s signature and expect driver signing and update support. Evidence found in developer branches suggested Google considered this route for the Pixelbook, which implies at least exploratory engagement with Microsoft’s certification tools. But a certified program requires formal coordination between Google, OEMs, and Microsoft covering driver signing, update delivery, and support policies. (xda-developers.com, androidcentral.com)
- OEMs must decide whether to support Windows images in warranty and provide ongoing driver updates for the hardware lifecycle. That is a meaningful cost commitment. Without it, end-users face the burden of community-maintained drivers and unofficial firmware — which is not viable for enterprise deployments or general consumers.
- There are precedent and lower-risk approaches: virtualization (Parallels Desktop for Chrome OS) is already a commercial route for enterprises to run Windows workloads on Chromebooks without touching firmware or native boot flows. That approach keeps Chrome OS’s secure firmware and avoids most driver problems, but it trades some performance and hardware-level integration for a supported, manageable solution.
Security and manageability implications for enterprise and education
Chrome OS’s success in education and fleet-managed enterprise deployments is built on simple, secure device management and verified boot. Any feature that potentially weakens verified boot or encourages unlocking firmware must be weighed against:- Increased attack surface from alternate boot paths or unsigned firmware.
- Complicated update cycles when two disparate OSes require independent drivers and firmware updates.
- Warranty and support complexity for IT teams tasked with maintaining mixed-environment devices.
What users and enterprise buyers need to know now
- For most buyers, the practical path to run Windows apps on Chromebooks today is virtualization (Parallels in enterprise) or remote/cloud-based Windows desktops (Windows 365 / Cloud PC). These solutions are supported, manageable, and preserve Chrome OS security without firmware surgery.
- Enthusiasts can and do install Windows natively on specific Chromebook models, but these installs require technical expertise, firmware unlocking, possible warranty voiding, and a willingness to troubleshoot driver issues. They are not recommended for production or institutional fleets. (github.com, digitaltrends.com)
- If your procurement requires native Windows capability, prefer devices that ship as Windows-certified hardware. Expect Chromebooks to remain Chrome-first devices unless OEMs explicitly offer Windows-capable SKUs with vendor support. The evidence to date shows Google tested certification for Pixelbook hardware experimentally, but there is no broad shipping program making Chromebooks Windows-native across the market. (xda-developers.com, 9to5google.com)
Strengths of the Campfire idea (why it appealed)
- Increased versatility: A supported dual-boot capability would let a single device serve both Chrome OS workflows and full Windows applications, simplifying hardware needs for travelers, consultants, and certain enterprise roles.
- Market expansion potential: If implemented as a supported option, Microsoft gains potential Windows installs on thin-client hardware while Google and OEMs can address higher-margin premium device segments.
- User convenience: Power users and professionals who rely on a few Windows-only desktop applications would not need to carry a second device. With correct driver support, that would be a meaningful experience improvement.
Real risks, trade-offs, and why Campfire stalls
- Engineering cost: Implementing and maintaining firmware, driver stacks, and update pipelines for two OSes is expensive and ongoing. OEMs would need to commit to driver maintenance for multiple Windows feature updates.
- Security vs. flexibility trade-off: Chrome OS’s verified boot and locked firmware are security features that conflict with the flexibility required by native dual-boot setups. Any opening has to be carefully scoped to avoid introducing systemic vulnerabilities.
- Business alignment: Google, Microsoft, and OEMs must find a commercial model that justifies shared support costs, driver signing workflows, and warranty responsibilities. Without a clear business case, a feature that helps competitors’ app ecosystems is a risky bet.
- Market fragmentation risk: Broadly opening Chromebooks to native Windows might fragment the Chrome OS ecosystem and complicate purchasing decisions for schools and IT admins who value predictable, standardized platforms.
How Campfire could (theoretically) be implemented safely
- Target premium SKUs first: Ship Campfire-capable devices only on high-storage, high-memory SKUs where Windows can run comfortably without impacting Chrome OS space.
- Vendor-supplied Windows images: OEMs ship Windows images and signed drivers for certified SKUs so users can switch without manual driver assembly.
- Managed enablement: For enterprise fleets, provide a managed toggle that allows IT to enable/disable Windows boot modes while preserving verified boot for Chrome OS by default.
- Separate firmware partitions: Implement a firmware layout that isolates Windows firmware blobs from Chrome OS boot chains and uses clear, signed switching mechanisms.
- Support and update contracts: OEMs and Microsoft agree on update cadences and responsibilities for driver maintenance for the lifecycle of the device.
Bottom line — where we stand and what to watch
The idea behind Campfire is compelling: let premium Chromebooks expand their utility by offering native Windows when needed. The public trace evidence shows Google engineers explored the idea and even tested Windows certification paths for Pixelbook-class hardware, but the feature never graduated into a supported product and was marked deprecated in public Chromium code. Enthusiast communities have filled the gap with firmware hacks and driver efforts that demonstrate feasibility, but these remain unsupported and risky for general users.Key indicators to watch for in the future:
- Official statements from Google, Microsoft, or OEMs announcing a certified Windows-capable Chromebook SKU or a managed Campfire-like feature.
- Gerrit/Chromium commits that move beyond debug comments into merged firmware and partition-layout changes explicitly designed for dual-OS shipping.
- OEM firmware releases that document dual-OS support, signed Windows drivers, and clear support/warranty policies.
Final assessment: potential and prudence
Campfire-style dual-boot capability would be a strategic win for flexibility — but only if done with full vendor support and airtight firmware/driver stewardship. The public record shows both sincere technical interest and sharp practical obstacles. The strongest route for enterprises and conservative buyers today is supported virtualization or Cloud PC approaches; the strongest route for tinkerers is community firmware and driver projects, with all the attendant caveats. If Google and Microsoft ever decide to take Campfire seriously as a shipping feature, success will depend on a coordinated product, firmware, and support plan that addresses the very real security and maintenance burdens such a feature would create.Conclusion: Campfire is an intriguing chapter in Chrome OS’s evolution — one that exposed technical possibilities and market tensions. It remains a powerful "what if" that highlights how modern operating-system ecosystems are shaped as much by firmware and business relationships as by kernels and drivers.
Source: Mashdigi Google may use Campfire to allow more Chromebooks to install Windows 10