Detection Script to help identify why your PC isn't Windows 11 Release Ready
Publisher’s description
What is WhyNotWin11?
WhyNotWin11 is an open-source program for Windows from Robert C. Maehl. It is written in AutoIt.
Installation and requirements
Official installers exist for 64-bit and 32-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 2.7.0, released on October 7, 2025. 4 versions are listed since September 7, 2022, each with links to its own installer files. That is about 1.3 releases a year. The last update is more than a year old.
Popularity and file types
The source code on GitHub (rcmaehl/WhyNotWin11) has 6,392 stars.
Project description on GitHub: “Detection Script to help identify why your PC is not Windows 11 Release Ready. Now Supporting Update Checks!”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Large user base
Cons
- No native ARM64 build
- No update for more than a year
In short: WhyNotWin11 is an open-source Windows tool for 64-bit and 32-bit PCs. Updates have slowed down.
Is WhyNotWin11 safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
433BCA5DA906C35029A7CDF55F0739553602649F58ACD2B9CDEBAFDEABA23EDB· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 4 versions ›4 versions over 3 years · about 1.3 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 2.7.0Latest | October 7, 2025 | — | 64-bit Portable32-bit Portable |
| 2.6.1.1 | October 10, 2024 | — | 32-bit Portable64-bit Portable |
| 2.5.0.4 | February 6, 2023 | — | 32-bit Portable64-bit Portable |
| 2.5.0.3 | September 7, 2022 | — | 32-bit Portable64-bit Portable |
Install from the command line
Silent install ›winget install --id rcmaehl.WhyNotWin11 -escoop install extras/whynotwin11Program files (.exe): whynotwin11.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Robert C. Maehl
- Licence
- LGPL-3.0
- Price
- Free
- Source code
- github.com/rcmaehl/WhyNotWin11
- Written in
- AutoIt
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- Portable
- Version
- 2.7.0
- Released
- October 7, 2025
- Added to the catalogue
- September 7, 2022
- Versions listed
- 4
- Updates / year
- 1.3
- GitHub stars
- 6,392
- GitHub forks
- 420
- Website
- github.com
- winget ID
- rcmaehl.WhyNotWin11
- Scoop package
- extras/whynotwin11
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is WhyNotWin11 free?
Yes. WhyNotWin11 is open-source software under the LGPL-3.0 licence.
Is WhyNotWin11 safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install WhyNotWin11 with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does WhyNotWin11 run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of WhyNotWin11?
The versions page lists all 4 versions with links to their official installer files, back to September 7, 2022.
Can I use WhyNotWin11 without administrator rights?
Yes, it is portable: unpack and run it.