Mu is a Python code editor for beginner programmers
Publisher’s description
What is Mu Editor?
Mu Editor by Nicholas H.Tollervey is open-source Windows software in the text editors category. It is written in Python.
Installation and requirements
The publisher provides MSI installers for 64-bit Windows. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 1.2.0, released on November 15, 2022. The version history goes back to March 30, 2021: 4 releases, all linked to the official files. That is about 2.5 releases a year. The last update is more than a year old. The source repository has been archived, so further updates are unlikely.
Popularity and file types
The source code on GitHub (mu-editor/mu) has 1,508 stars. Similar programs include Notepad++, Atom and Neovim.
Project description on GitHub: “A small, simple editor for beginner Python programmers. Written in Python and Qt5.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
- Installs without administrator rights
Cons
- No native ARM64 build
- No update for more than a year
- Source repository archived
In short: Mu Editor is an open-source text editor tool for 64-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is Mu Editor 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:
8BEF34673998CA5644F9D222FC4A13E24A64023A72940E685BCEC27827CD765E· 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
Security practices (OpenSSF Scorecard)
Automated checks of the mu-editor/mu repository on GitHub by the Open Source Security Foundation, last run on October 19, 2026.
- No dangerous workflows10
- Licence declared10
- No binaries in the repository9
- Static code analysis7
- Code review4
- Actively maintained0
- Restricted token permissions0
- Pinned dependencies0
- OpenSSF Best Practices badge0
- Security policy0
- Fuzzing0
- Signed releases0
- Branch protection0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 4 versions ›4 versions over 2 years · about 2.5 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 1.2.0Latest | November 15, 2022 | — | 64-bit MSI |
| 1.1.1 | February 22, 2022 | — | 64-bit MSI |
| 1.1.0 | December 22, 2021 | — | 64-bit MSI |
| 1.0.3 | March 30, 2021 | — | 64-bit EXE (NSIS)64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id Mu.Mu -escoop install extras/mu-editormsiexec /i MuEditor-win64-1.2.0.msi /qn /norestartmsiexec /x {BC808DD4-82A7-43D9-898A-4A2CD16C81AA} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- Nicholas H.Tollervey
- Category
- Text editors
- Licence
- GPL-3.0 License
- Price
- Free
- Source code
- github.com/mu-editor/mu
- Written in
- Python
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- MSI
- Version
- 1.2.0
- Released
- November 15, 2022
- Added to the catalogue
- March 30, 2021
- Versions listed
- 4
- Updates / year
- 2.5
- GitHub stars
- 1,508
- GitHub forks
- 466
- Website
- github.com
- winget ID
- Mu.Mu
- Scoop package
- extras/mu-editor
- MSI product code
- {BC808DD4-82A7-43D9-898A-4A2CD16C81AA}
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Mu Editor free?
Yes. Mu Editor is open-source software under the GPL-3.0 License licence.
Is Mu Editor 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 Mu Editor 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.
Can Mu Editor be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does Mu Editor run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Mu Editor?
The versions page lists all 4 versions with links to their official installer files, back to March 30, 2021.
Can I use Mu Editor without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Mu Editor?
Notepad++, Atom, Neovim, Geany and FontForge. The alternatives page compares them.
