Running Flutter on 64-bit Windows from a 32-bit Process fails #174017
Description
Steps to reproduce
- run flutter from a 32-bit process on windows (e.g. make for windows only comes with 32-bit)
Expected results
Successful execution as we are on a 64-bit system, just a 32-bit process invoked flutter.
When the PROCESSOR_ARCHITECTURE is checked we must check PROCESSOR_ARCHITEW6432 in order to determine the real architecture of the system.
Actual results
The output is
Flutter requires 64-bit versions of Windows
Code sample
REM Ensure we are runnng on 64-bit windows (32-bit is not supported)
IF "%PROCESSOR_ARCHITECTURE%"=="x86" (
ECHO Flutter requires 64-bit versions of Windows
EXIT 1
)
Screenshots or Video
No response
Logs
make
flutter doctor -v
Flutter requires 64-bit versions of WindowsFlutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.35.1, on Microsoft Windows [Version 10.0.26100.4946], locale de-DE) [515ms]
• Flutter version 3.35.1 on channel stable at C:\Users\User\tools\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 20f8274939 (5 days ago), 2025-08-14 10:53:09 -0700
• Engine revision 1e9a811bf8
• Dart version 3.9.0
• DevTools version 2.48.0
• Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, enable-custom-devices, cli-animations, enable-lldb-debugging
[✓] Windows Version (11 Pro 64-bit, 24H2, 2009) [1.305ms]
[✗] Android toolchain - develop for Android devices [270ms]
✗ Unable to locate Android SDK.
Install Android Studio from: https://developer.android.com/studio/index.html
On first launch it will assist you in installing the Android SDK components.
(or visit https://flutter.dev/to/windows-android-setup for detailed instructions).
If the Android SDK has been installed to a custom location, please use
`flutter config --android-sdk` to update to that location.
[✓] Chrome - develop for the web [221ms]
• Chrome at C:\Users\User\AppData\Local\Google\Chrome\Application\chrome.exe
[✓] Visual Studio - develop Windows apps (Visual Studio Professional 2022 17.14.12) [220ms]
• Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Professional
• Visual Studio Professional 2022 version 17.14.36408.4
• Windows 10 SDK version 10.0.26100.0
[!] Android Studio (not installed) [88ms]
• Android Studio not found; download from https://developer.android.com/studio/index.html
(or visit https://flutter.dev/to/windows-android-setup for detailed instructions).
[✓] IntelliJ IDEA Ultimate Edition (version 2025.2) [87ms]
• IntelliJ at C:\Users\User\AppData\Local\Programs\IntelliJ IDEA Ultimate
• Flutter plugin version 87.0
• Dart plugin version 252.24322.5
[✓] Connected device (3 available) [182ms]
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.26100.4946]
• Chrome (web) • chrome • web-javascript • Google Chrome 138.0.7204.49
• Edge (web) • edge • web-javascript • Microsoft Edge 139.0.3405.86
[✓] Network resources [268ms]
• All expected network resources are available.