WinDiskWriter
The facts below are what the maker publishes about WinDiskWriter, checked and dated. Our editors have not written about it yet.
The facts
Each one read from WinDiskWriter's own pages, with the date it was checked.
What it does
- 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.checked 11 Oct 2026
- Boot modes
- Created drives can support both UEFI and Legacy BIOS modes for installing Windows on PCs, Intel Macs, or certain virtual machines.checked 11 Oct 2026
- Data safety
- Release notes say the app verifies that the BSD device has not changed before the erase stage to help prevent data loss.checked 11 Oct 2026
- Dependencies
- WinDiskWriter uses wimlib for WIM image operations and can optionally use grub4dos for Legacy BIOS support.checked 11 Oct 2026
- Download source
- The README says the GitHub project page is the only official download location and warns that other websites are fake.checked 11 Oct 2026
- Image splitting
- The app automatically splits install.wim files larger than 4 GB because FAT32 does not support files above 4 GB.checked 11 Oct 2026
- Known limitation
- It can split install.wim images but cannot currently split install.esd images; the README lists ESD splitting as a planned change.checked 11 Oct 2026
- Large installer files
- It automatically splits install.wim files larger than 4 GB because FAT32 does not support files above that size.checked 11 Oct 2026
- License
- The public repository identifies WinDiskWriter as licensed under GPL-3.0.checked 11 Oct 2026
- Limit: ESD images
- The README says the app can split install.wim images but does not yet support splitting install.esd images.checked 11 Oct 2026
- Maintainer
- The README lists @TechUnRestricted as the author.checked 11 Oct 2026
- Purpose
- WinDiskWriter creates bootable Windows installer USB drives from macOS.checked 11 Oct 2026
- Support
- The author invites financial support through cryptocurrency donations listed in the README.checked 11 Oct 2026
Where it runs
- 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.checked 11 Oct 2026
- 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.checked 11 Oct 2026
- 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.”checked 11 Oct 2026
- Older Windows
- It can add EFI boot support to Windows Vista and Windows 7 installers.checked 11 Oct 2026
- Supported Mac hardware
- The project says it runs on Intel x64 and Apple silicon Macs; it does not currently support 32-bit Macs.checked 11 Oct 2026
- Supported Windows images
- The README lists Windows 11, 10, 8.1, 8, 7, and Vista images as supported.checked 11 Oct 2026
- Vista and Windows 7 EFI
- WinDiskWriter can add EFI boot support to Windows Vista and Windows 7 installers.checked 11 Oct 2026
- Windows 11
- It can patch Windows 11 installers to bypass TPM, minimum RAM, Secure Boot, and some other system requirements.checked 11 Oct 2026
- Windows 11 patching
- The installer can be patched to bypass TPM, minimum RAM, Secure Boot, and some other Windows 11 system requirements.checked 11 Oct 2026
- Windows compatibility
- The README lists Windows 11, 10, 8.1, 8, 7, and Vista images as supported.checked 11 Oct 2026
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