The Firefox release channel below standard and above Developer Edition. Since the MSI and EXE versions of Firefox Beta usually share the same program info as Firefox Standard, this package is the only
The Firefox release channel below standard and above Developer Edition. Since the MSI and EXE versions of Firefox Beta usually share the same program info as Firefox Standard, this package is the only known way to consistently get Beta.
| Publisher | Mozilla Corporation |
|---|---|
| Version | 160.0.1.0 |
| Release date | 2026-10-26 |
| License | MPL-2.0 |
| Installer type | msix |
| Architecture | x86, x64, arm64 |
| Package ID | Mozilla.Firefox.Beta.MSIX |
| Requirements | Windows 10 version 1809 or later |
winget install --id=Mozilla.Firefox.Beta.MSIX -ewinget upgrade --id=Mozilla.Firefox.Beta.MSIX -ewinget uninstall --id=Mozilla.Firefox.Beta.MSIX -eFirefox Beta (MSIX) can open or be associated with 9 file types:
Yes. Firefox Beta (MSIX) is free and open-source software released under the MPL-2.0 license.
The latest version is 160.0.1.0, released on Oct 26, 2026.
The download button links to the official installer published on archive.mozilla.org, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 5c882ce38ff5f93eb50491de34e83925ea4d7b922938fd418deb124f0eb93fdb.
Firefox Beta (MSIX) requires Windows 10 version 1809 or later and is available for 32-bit (x86), 64-bit (x64), ARM64 systems.
Open Settings › Apps › Installed apps, find Firefox Beta (MSIX) and select Uninstall. From the command line, run winget uninstall --id=Mozilla.Firefox.Beta.MSIX -e.
Firefox Beta (MSIX) supports 9 file types, including .avif, .htm, .html, .pdf, .shtml, .svg, .webp, .xht and more.
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