Download Firefox Nightly by Mozilla

Download version 42.0 from Software Informer

Scanned by 75 antivirus programs on May 22, 2023. The file is clean, see the report.

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Visit the home page nightly.mozilla.org

Version: 42.0 (x86)

Date update: Jul 9, 2015

File name: firefox-42.0a1.en-us.win32.installer.exe

Size: 42.1 MB

Additional links

Download version 40.0 from the developer's website

Firefox-Nightly.exe

x86

Latest versions of Firefox Nightly

See all

59.0

Dec 31, 2017

firefox_installer.en-us.exe

x86/x64 269KB

58.0

Oct 26, 2017

firefox_installer.en-us.exe

x86 237KB

45.0

Nov 16, 2015

firefox-45.0a1.en-us.win32.installer.exe

x86 41.3MB

44.0

Oct 5, 2015

firefox-44.0a1.en-us.win32.installer.exe firefox-44.0a1.en-us.win64.installer.exe

x86 42.7 MB x64 44.6MB

43.0

Aug 18, 2015

firefox-43.0a1.en-us.win32.installer.exe firefox-43.0a1.en-us.win64.installer.exe

x86 42.4 MB x64 44.1MB

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