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SPECIFICTION
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WinDiskWriter

github.com

macOS
Visit github.com
Spec score 6.9 #34 of 38 in Bootable USB Software

Spec sheet

Purpose
WinDiskWriter creates bootable Windows installer USB drives from macOS.Read 11 Oct 2026 · github.com
Support
The author invites financial support through cryptocurrency donations listed in the README.Read 11 Oct 2026 · github.com
License
The public repository identifies WinDiskWriter as licensed under GPL-3.0.Read 11 Oct 2026 · github.com
Account setup limitation
Skipping the Microsoft Account sign-in requirement during Windows 11 22H2+ setup is not implemented; the README suggests using OOBE/BYPASSNRO instead.Read 11 Oct 2026 · github.com
Boot modes
Created drives can support both UEFI and Legacy BIOS modes for installing Windows on PCs, Intel Macs, or certain virtual machines.Read 11 Oct 2026 · github.com
Data safety
Release notes say the app verifies that the BSD device has not changed before the erase stage to help prevent data loss.Read 11 Oct 2026 · github.com
Dependencies
WinDiskWriter uses wimlib for WIM image operations and can optionally use grub4dos for Legacy BIOS support.Read 11 Oct 2026 · github.com
Download source
The README says the GitHub project page is the only official download location and warns that other websites are fake.Read 11 Oct 2026 · github.com
Image splitting
The app automatically splits install.wim files larger than 4 GB because FAT32 does not support files above 4 GB.Read 11 Oct 2026 · github.com
Known limitation
It can split install.wim images but cannot currently split install.esd images; the README lists ESD splitting as a planned change.Read 11 Oct 2026 · github.com
Large installer files
It automatically splits install.wim files larger than 4 GB because FAT32 does not support files above that size.Read 11 Oct 2026 · github.com
Limit: 32-bit Macs
The README says WinDiskWriter currently runs on Intel x64 and Apple silicon Macs, and lists 32-bit Mac support as planned.Read 11 Oct 2026 · github.com
Limit: ESD images
The README says the app can split install.wim images but does not yet support splitting install.esd images.Read 11 Oct 2026 · github.com
Mac compatibility
The README lists macOS versions from Snow Leopard 10.6 through Tahoe 26.0, with separate Tahoe builds for Intel and Apple silicon.Read 11 Oct 2026 · github.com
macOS compatibility
The compatibility list spans macOS Tahoe 26.0 through Mac OS X Snow Leopard 10.6, with Mac OS X Lion 10.7 marked “Not Yet.”Read 11 Oct 2026 · github.com
Maintainer
The README lists @TechUnRestricted as the author.Read 11 Oct 2026 · github.com
Older Windows
It can add EFI boot support to Windows Vista and Windows 7 installers.Read 11 Oct 2026 · github.com
Supported Mac hardware
The project says it runs on Intel x64 and Apple silicon Macs; it does not currently support 32-bit Macs.Read 11 Oct 2026 · github.com
Supported Windows images
The README lists Windows 11, 10, 8.1, 8, 7, and Vista images as supported.Read 11 Oct 2026 · github.com
Vista and Windows 7 EFI
WinDiskWriter can add EFI boot support to Windows Vista and Windows 7 installers.Read 11 Oct 2026 · github.com
Windows 11
It can patch Windows 11 installers to bypass TPM, minimum RAM, Secure Boot, and some other system requirements.Read 11 Oct 2026 · github.com
Windows 11 patching
The installer can be patched to bypass TPM, minimum RAM, Secure Boot, and some other Windows 11 system requirements.Read 11 Oct 2026 · github.com
Windows compatibility
The README lists Windows 11, 10, 8.1, 8, 7, and Vista images as supported.Read 11 Oct 2026 · github.com

Where Specifiction places it

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