Tuesday, 14 July 2026 @ 16:01 UTC~5913,430150,826

Firefox Developer Edition (MSIX)

Mozilla Corporation·Mozilla.Firefox.DeveloperEdition.MSIX

The Firefox release channel below Beta and above Nightly. Get the latest features, fast performance, and the development tools you need to build for the open web using Firefox Browser Developer Edition.

winget install --id Mozilla.Firefox.DeveloperEdition.MSIX --exact --source winget

Latest 148.0.15.0·February 13, 2026

Installer type: msix

ArchitectureScopeDownloadSHA256
x64—Download8856294E1F4BEF7865176E4A538A2D80F3B953D4A370C5F15AD221AA68A8A67E
x86—Download3CC2F5F3A8AD64981E0F7B71CE4A3D05F173D60A3A7E1B1E9297C6462F870A29
arm64—DownloadC3AFF294E8BD6F4C20F1B5EEB83D1E5786A506D60A9763AF42CD1FDD5781E0AB

Details

Homepage
https://www.mozilla.org/firefox/developer/
License
MPL-2.0
Privacy Policy
https://www.mozilla.org/privacy/firefox/

Tags

mozilla-firefox-developer-edition-msixmozillafirefoxdevelopereditionmsixmozilla-firefox-dev-edition-msixmozillafirefoxdeveditionmsixweb-browserwebbrowsergeckoquantumspidermonkeymedia-playermediaplayer

Older versions (1)

148.0.15.0
ArchitectureScopeDownloadSHA256
x64—Download8856294E1F4BEF7865176E4A538A2D80F3B953D4A370C5F15AD221AA68A8A67E
x86—Download3CC2F5F3A8AD64981E0F7B71CE4A3D05F173D60A3A7E1B1E9297C6462F870A29
arm64—DownloadC3AFF294E8BD6F4C20F1B5EEB83D1E5786A506D60A9763AF42CD1FDD5781E0AB