Windows on ARM for Mac: Compatibility & Setup

Windows on ARM is the version of Windows 11 designed for ARM processors, including Apple M-series chips found in most modern Macs. Since Boot Camp no longer exists on M-series Macs, Parallels Desktop is the only Microsoft-authorized way to run Windows 11 on a Mac as a virtual machine.

If you're using an Apple Silicon Mac and want to access certain Windows software, tools, or files, you'll likely need to run Windows on ARM. Windows on ARM is the version of Windows 11 designed for ARM processors, including Apple M-series chips found in most modern Macs. While Boot Camp previously let older Intel Macs dual-boot into a standard, x86 version of Windows, Apple Silicon no longer offers that option.

If you're a M-series Mac owner who needs Windows apps, a developer building/testing across operating systems, or an IT team evaluating compatibility before deployment, this guide is for you. We'll explain how Windows on ARM for Mac works, which applications run natively, and how virtual machines allow you to easily (and safely) run Windows 11 on ARM.

Windows on ARM is the version of Windows 11 built for ARM-based processors, such as Apple's M-series chips. ARM-native apps run at full speed; most older x86 and x64 apps run through Windows' built-in Prism emulation layer. On a Mac, you run Windows 11 ARM inside a virtual machine, and Parallels Desktop is the Microsoft-authorized solution for doing this.

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What is Windows on ARM?

Windows on ARM is a version of Windows 11 built for processors that use the ARM architecture, rather than the traditional x86 design used by most older Windows PCs. It's an important technology for modern Mac owners: Apple Silicon runs on ARM chips, so the standard x86 version of Windows can't run on an M-series Mac.

This means that if you're running Windows in a virtual machine (VM), you'll need the ARM version of Windows 11. Once up and running, ARM-native Windows apps run directly through your VM, while many older x86 and x64 apps can still work through Windows' built-in Prism translation layer.

ARM vs. x86 architecture in plain English

ARM and x86 are two different instruction sets, or ways a processor understands and carries out commands. x86 has powered most Windows PCs for decades, while ARM is designed around a different, more power-efficient approach and now powers Apple Silicon Macs.

What does this mean for day-to-day use? Software built specifically for ARM can run directly on an ARM processor. Software written for x86 or x64 may need translation so the ARM-based system can understand it.

Windows ARM vs x86 (x64): What's the difference?

What's the difference between Windows x86 vs ARM? x86 (also called x64 for its 64-bit form) is the traditional architecture behind most Windows PCs. ARM is the newer, more power-efficient architecture behind Apple Silicon Macs, Windows on ARM, and most smartphones.

Here's how they stack up on the things that actually affect day-to-day use:

What runs natively vs what's emulated (Prism)

Windows 11 on ARM can run two broad types of software: apps built specifically for ARM processors, and older apps built for x86 or x64 processors. ARM-native apps communicate directly with the processor.

For older Windows software, you'll need to use Prism, Microsoft's built-in emulation layer. It sits between the app and the ARM processor, translating x86/x64 instructions so the app runs smoothly.

Here's a quick breakdown of what you can expect:

In short, for older apps built for x86 or x64 processors, Prism delivers near-native performance with most tools. Meanwhile, Windows on ARM handles a vast majority of business and productivity software well, including accounting tools and standard office suites. This has become increasingly critical in recent years, as more enterprises have adopted Mac computers.

The safest approach is to check whether an ARM-native version exists, review the software vendor's Windows on ARM requirements, and test every business-critical app, plug-in, driver, and peripheral before committing to a setup.

Gaming and anti-cheat limitations on Windows on ARM

Gaming is the clearest exception to the otherwise strong compatibility story on Windows on ARM, so it's worth calling out directly rather than glossing over it.

The main culprit is anti-cheat software. Most multiplayer games rely on kernel-level anti-cheat drivers, such as BattlEye or Easy Anti-Cheat, to detect cheating, and these drivers sit below the level Prism can translate. Prism translates application instructions, not kernel-mode code, so if a game's anti-cheat hasn't been built specifically for ARM, the game typically won't launch at all, not just run slower. Microsoft's own guidance backs this up: it recommends checking with the game publisher or a compatibility tracker before assuming a multiplayer title will work.

This limitation matters even more inside a virtual machine like Parallels Desktop than it does on a native ARM PC. Even when a game or its anti-cheat vendor has added ARM support at the operating system level, running that game inside a VM adds another layer, since graphics are virtualized rather than passed through directly. That means 3D-heavy and competitive titles are unlikely to perform, or behave, the same way they would on bare metal.

Here's a quick breakdown of what you can expect:

In short, if gaming is a requirement rather than a nice-to-have, check a title's anti-cheat status before counting on Windows on ARM in a VM to run it. Competitive, anti-cheat-protected games are the one category Parallels can't reliably deliver today.

Plug-ins, extensions, and peripherals

Beyond full applications, a lot of the day-to-day friction with Windows on ARM comes from the smaller pieces of software that plug into a larger app: browser extensions, Office add-ins, Photoshop or audio plug-ins, and drivers for external hardware.

The pattern holds steady across all of them: if the host application (the browser, the DAW, the design tool) has a native ARM build, its extensions and plug-ins generally need to be ARM-native as well. You typically can't mix an ARM-native host with an x86 plug-in and expect it to work.
 

A few categories worth double-checking before you commit to a workflow:

• Browser extensions: Most mainstream extensions run fine once the browser itself is native on ARM, though niche or older extensions built around x86-specific components can behave inconsistently.
• Creative and audio plug-ins: VST/AU audio plug-ins, along with some Photoshop and video-editing plug-ins, are still catching up to ARM, particularly from smaller developers. This is one of the more common gaps reported by users moving production workflows over.
• Hardware-dependent plug-ins and dongles: Anything tied to a physical driver, such as USB license dongles, MIDI controllers, audio interfaces, or scanners, depends on that hardware vendor shipping an ARM64 driver. If they haven't, the plug-in or device may not be recognized at all, even if the parent application runs fine on its own.

The safest approach is the same one that applies to full applications: check the plug-in or peripheral vendor's own ARM64 or Windows on ARM compatibility statement before assuming it will work through emulation.

Testing business-critical applications before you commit

For IT teams evaluating Windows on ARM ahead of a broader rollout, the real risk isn't the mainstream productivity software. It's the smaller number of business-critical or legacy tools a team can't function without. A structured pilot is what stands between a smooth rollout and an unpleasant surprise.

A practical testing checklist:

1. Inventory before you test: List every application, plug-in, driver, and peripheral the team relies on daily, not just the obvious ones. Line-of-business software, accounting tools, and internal legacy apps are the most likely to have unknown ARM status.
2. Check vendor compatibility statements first: Before installing anything, look for the vendor's own guidance on Windows on ARM or ARM64 support. It's faster than trial and error, and it helps you avoid wasting time on apps with known, permanent blockers, like those requiring x86 kernel drivers.
3. Pilot with a representative group: Roll out to a small group covering different roles, not just IT, so you catch peripheral and workflow issues a single tester might miss.
4. Test integrations, not just the app itself: An application might run fine natively or via Prism but still fail if it depends on a VPN client, security or EDR agent, license dongle, or printer driver that hasn't been updated for ARM.
5. Set a rollback plan: Because Parallels Desktop runs Windows 11 on ARM in a VM alongside macOS, teams can pilot and validate without disrupting existing workflows, and can pause or adjust the rollout if a critical tool fails testing.

Running a structured pilot instead of assuming compatibility is what separates a smooth transition from discovering a business-critical tool is broken on day one of a company-wide rollout.

How to get the Windows 11 ARM ISO

For most Apple Silicon Mac users, there is no need to manually search for a Windows 11 ARM ISO. Parallels Desktop can download Windows 11 ARM directly from Microsoft in one click, create a virtual machine, and complete the installation automatically. Within Parallels Desktop, you'll simply click through a few options and follow the prompts to install Windows.

This automated route is the simplest and safest option because it provides the correct ARM build for an M-series Mac through the Microsoft-authorized installation flow.

Parallels Desktop is authorized by Microsoft to run Windows 11 Pro and Enterprise for ARM in a virtual environment on Apple Silicon Macs. A valid Windows license is still required for activation.

This is an alternative to the manual route, where users access ARM64 ISOs directly from Microsoft's Windows Insider Program. That path works, but it involves more steps: registering for Insider builds, downloading the ISO, and manually creating a VM around it.

Be wary of any unauthorized site or partner offering Windows 11 on ARM. They may provide the wrong processor build, contain unverified changes, or create security and licensing risks.

How to run Windows on ARM on a Mac (step by step)

On an Apple Silicon Mac, Parallels Desktop can automatically download the correct ARM version of Windows 11 from Microsoft and configure the virtual machine. You do not need Boot Camp or an unofficial Windows image.

Here are the Parallels Desktop Windows 11 on ARM installation steps:

1.Check that your Mac uses Apple Silicon

If you're not sure which chip your Mac uses, open the Apple menu and select About This Mac. Confirm that the chip is an Apple M-series chip (M1-5 or newer).

2.Download and install Parallels Desktop

Install the latest version of Parallels Desktop for Mac and open it. New users can start with the free 14-day trial before purchasing a license.

3.Launch Parallels Desktop

Open Parallels Desktop, then click on the Parallels icon in the Mac menu bar.

4.Choose Get Windows 11 from Microsoft

Select Control Center > + > Get Windows 11 from Microsoft > Continue > Install Windows.

5.Complete Microsoft EULA

Windows will be downloaded and installed automatically, and you'll be prompted to complete the Microsoft EULA.

6.Activate Windows 11

Next, you'll need to activate Windows 11 on your Mac. Purchase a Windows 11 license from the Microsoft Store or activate an existing Windows 11 license.

7.Run and enjoy

Windows 11 is now installed and activated on your Mac, and you can start running Parallels Desktop.

Once installation is complete, Windows 11 runs in a virtual machine alongside macOS, so you can move between Mac and Windows applications without rebooting.

How Parallels Helps You Run Windows on ARM

If you use an Apple Silicon Mac, you don't have to give up the Windows tools and software you rely on. You also don't need to be a tech wiz to use Windows 11 on ARM.

Parallels Desktop is the only Microsoft-authorized solution for running Windows 11 on Apple Silicon Macs. Instead of finding and configuring a Windows 11 ARM image yourself, you can download and install the correct version of Windows directly from Microsoft in one click, then run it alongside macOS without rebooting.

Ready to get started? Explore Parallels Desktop with a 14-day free trial.