Tuesday, 14 July 2026 @ 21:01 UTC~3513,463150,903

Mozilla Firefox ESR (sc)

Mozilla·Mozilla.Firefox.ESR.sc

Get the Firefox Extended Support Release or Rapid Release browser for comprehensive data security and data protection.

winget install --id Mozilla.Firefox.ESR.sc --exact --source winget

Latest 140.12.0·June 16, 2026

Release Notes

Version 140.12.0, first offered to ESR channel users on June 16, 2026 Firefox 140 Extended Support Release (ESR) includes all of the enhancements since Firefox 128, along with many new features to make your enterprise deployments easier and even more flexible.

Fixed

  • Various security fixes.

Developer

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86—DownloadAC3E3751998A76A6AF53AE230ECF83782C98A9637DC4853C125DF568A35CFD4A
x64—Download4E4FD3EF5F33F8EF872C5D614E57ED196895CA73E613DF4C66B1109530E3B2DE
arm64—DownloadFF0D91BE1E12CAFF34BE90FF4FD8F080C8E787BB947414395C5F0ACBCB9268F1

Details

Homepage
https://www.mozilla.org/firefox/enterprise/
License
MPL-2.0
Publisher
Mozilla
Support
https://support.mozilla.org/
Privacy Policy
https://www.mozilla.org/privacy/firefox/
Moniker
firefox-esr

Tags

browsercross-platformfossgeckoquantumspidermonkeywebweb-browser

Older versions (40)

140.11.0
ArchitectureScopeDownloadSHA256
x86—Download9E97C4EA1FF4BAD0BE8AB9145C3FA5CFF331B29D5BDDC8DE954A26B835B5697A
x64—Download4F146C9D650889EFFE91A2D2D13FD5E8E264E148C068AB6DE25EA9F3795A595C
arm64—DownloadF0B3498567253F2003B7A7EC67219B9AA41C5613B0367271ECB9745D70818F8E
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download2C633C027BA4DADDE9C9C53EC085E42E19D54825AD5521B7E0A67B904744BD4B
x64—Download7B5A866FF99A3433D66E807792BF128218C5F54B2C2EEBE44D8612696F5D998A
arm64—DownloadE52EB0CC006BD0C64F40A26034BAD45C6417EA7344D250F3B51BDCF42C8C7521
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download5D0B19979B262551B18B3861AA91043773327E1BDF9989B6A6B91328080FE378
x64—Download7CE0F462A86626294A50FC8B2C3DC5ADB8F4ED6DE0DFEDFB4E41B2CBDB8415A8
arm64—DownloadB88AF6088B61715802C1F53E97F6150A65A4B5B661E7F6CC0FDD947F095ACADF
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download48F652176D559666D86ADE2D2E3CCF84128C61B321597376A552393D6A7ADE2A
x64—Download92096BD8647A5D7FDC85E884E73F37E925E655DF7FFABB104504949925C3EABD
arm64—Download7148B2EA950B13C4C4507297B61517A691AFFC9951C0303F86CCF23E07DD1EDF
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download75430CD492D57329DF410324E4BD5EBD73FD2E549F792BD49E8636F713584F03
x64—Download8A0BB38722CE6A0754101CA11A9295DE571285885DCAEB1F32502CE7C8A026CA
arm64—Download8E6291CA64080931846902D7684407E9ACF737EC86716C5E4964D6C5DF6A7310
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download52B2B488135213527874A2313D4D03C8AA12ED52A5E89B0D12CE792AB9393818
x64—DownloadAA458D5F49A1DB6FA334C5C278B6DF7F4C80D2C820A340F3E1DA5102C729B862
arm64—Download3A712BF1C267F0759D5A9FBCB456043663D578CDF664172F176CD205AB231C9C
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download3B79C9446C66076EC4A288068657D1927A07956A9F956115C4D89CA969C2C27E
x64—Download9FE84B2A804B80D5A3A1017EBC4AFE5EE5082D73B1B3B3D7FA99446463DD2097
arm64—DownloadC3D980634FD9C81C7ED14AD86ED3E5EE419B174B6CDA1511DEF438E29702AFB1
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download5D765AB32E7442176602C54A3C5B1B0A6B230855F1AB0370E1A767847B3E4C9C
x64—Download9C99A1D5B5A51747276D4F7E7A7A689456191A54F5D7D498347376CCC44C0AB2
arm64—Download5125BE96A7CB7749BD3634D5B7B3EBED99A63BF99C86FD379AC21B4F9049104C
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadD561E9533A79189201AA66B7B06D611C6C8B32C6AF723E4BF8AD6B77958C668B
x64—Download462BF2160D0F4EF280C3B076224EDC9DE0A5A82909B9E48202DF59A24BD67161
arm64—DownloadDD9DB97549A5D7C553EE26C6FEE36702B98C0626CDE111FD2C55D12E744577C5
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download05E2778B57BE1D33228852A59529C648ABAADC46DC716D5C23311B973365D4E0
x64—Download8D43BD13A529D4DC6E2790C08229B764BAF231321DD574DAC8205B29839DC09E
arm64—DownloadE00C02D7A91885605CF4EEF73AEB607EE27CA4D8768DC737FD0A783FB1989D05
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download8E758EB005B46406D3FA8F1B1AE4D8A10DFD46BA06E0B09421181C18DB7E456E
x64—Download2340EB6EB534B24E80E8FFFDB3323E1E6DF74B5DD73914AFF05CC25328DC279D
arm64—Download4AE33C61F86BB29AB52E9F44D157EAEC2CB8D6B422BA0B81ABA19ACC83AF6439
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadA2A97AAAD31E5A89C3CB6906008795FB49A07883D9532AEDA28D12E9BC232F28
x64—Download48ADA2638F996D361251AFAA0AD43B28C5EF4BD144B6E9FA2B2157F25EAFF6C1
arm64—Download02206CADD179658AE94EF16C67AFBA718CC61940C76CBB6D59B650BE6C50CCC5
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadFD95326DDE88BE5B14AE0A633803E0FE20E0817058B0C59994DD502BF07CB099
x64—Download4DB4AE6DC1BF9B1F4AFF030ECDEB89B2C16B980A11E113369636A29B4021A23A
arm64—Download7005EE87F79663C0EFAFB676EB7C0F0623CE957FCA2A689635CFFE7D5D6145F9
128.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadB4B570661D60F21F847B2FDBC42F6AC21CEA189DB40E297171CDD1CEFECA2722
x64—DownloadA8B5FDD06F2ADA0F482E2E711F17DC30F4ECD18025661812B0FE6467D45F73CB
arm64—Download19832978592494D0153466C97D2983E5090F6FE5B284F1F09D63F0938FB8CF50
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadD8D0CE1ECD0E187D0CE7CA861BA4EDDF8CE445C47D164879CF4692FDABFBCD97
x64—DownloadCD339F1009A37AFC8E25217374B65F32CBDF38FB5EDEDD1FED60648271662EA7
arm64—Download816B6496A49D2A833450DFA434C643A55B94370A209BEEA710EC74C1D9FEAA06
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download0F35814B1AC1580E6468E2E3D40228B038A5FCB7516D764A8598E0C31A28328F
x64—Download4721D8FD20F351D6294956FC3E1873604BC43A22AE96B3991B544ED2A739B423
arm64—Download329904057D8E647B0194377E13F8096ED834391B74B1EFA4BE814BB4C69265CB
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download971A47372F5052CEB338666D450804AF78B08EFF15DC9229953D21905EE1E671
x64—Download2663EA65C851BC96B9706A8DD9661A174A6F96591AEEB0953A33BAC20D667806
arm64—DownloadC747DDE69F7B5ADDC438422D71D9681C1F9FB7B5444F2FF33F56FC3F6E0D1041
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download86A5E4BE13A9E19571A96BEC9CE62FD53A3336217DB1B6BA1833D26BA90711DA
x64—DownloadEBAFC15A3ABE6360CC3DB437690FABE65A30EBF862486585153844E6A60FDCF9
arm64—Download17C827065EE845CDC318BEE048C939281FA0EAE3F604F1CB7DBCC49FF43F917F
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download0C66CB90A548741199199F18A6EE5C060C3F8637EABA703652428BA0C65436B8
x64—DownloadFD464C22875874F4DEEE2E78A6779053A835DECBBA3E21EEDD18F6CB95F6BE6A
arm64—Download4126999C420206EABF92AF5C52B98848D3B22ABA90DDAA06FB0B55B1A73B2438
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadAD891085574AC2E3BB8D45C6793589E2D5FCC63D6F1C6B8D1BD41382018CA28E
x64—DownloadDD96FC3DD6F20282C1D341B8E93E7F93221762644761FB78778F9752F2677F4E
arm64—DownloadB0B8F76EF2B6ED56C765E82B9EE2523DFA72A0AD56E585D314B729AAD79C89D7
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadE631C6097E4B3C933ED19F9BB08A3832D7F21BB1B84B4CCE766213021978CAC5
x64—Download220CD29D87133E356A9CCCC566FDBD7ED321BEE0DAEEAB30D292229978833060
arm64—Download47C20083656B69E181160BDCF77C1629B382BE61F938050AF30ED7377CBC0D19
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadF9AB00E69923CBE655A743DDE81EB3CBC318CD3123D2FAF57FD3EB95A690AC66
x64—DownloadBA6D65038A1611E4C9D6BEA6A8836F0A657D67A2991BA6A0A5A1BF63558C2B71
arm64—DownloadA65352D4BEF9B0C4B9C1FA2DC7FC506DC63CD4447233B17DAFB4A0304AEE52D0
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download40C5C5A0503C02590DB26CBF30436DF50540227AE5DCD21D5273B8100FA81946
x64—Download1C94E964ECB17616BC5F791CC3E808C9393362A16673D056922C36DA1B86AF31
arm64—Download229BF6B5CE5CBBB4A4E6ED6B1518CB0A62676DA71D7CFD4F1EF8856A7BC443F2
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download98266529049E96615D0B102A78B5A454D39E53084D3E0708C140F31E29F61E8A
x64—DownloadE17B3015CD928EA1945A312CD659850088BBB3C041E94762C0004D1122950343
arm64—DownloadDB4022994AA5F9032F75E5DD1AE984B1059C86820E20240F5DECDAD813073B11
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download97228CFBCED11C62F47898CAF5E8163FF156C5E290AAD7E5B8F11CA2687DE9F1
x64—Download76E35A95CE37EDD3DB598FCF163BB1FF2DF15E1D4583F7EF3B848616A2F36D14
arm64—DownloadE3969679EC469A42686BE699A715FFEF7E6C52E12F89A7380828BD9AA7E6242C
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download422828DE0863065AE319472E3F9D1235402E36E46705AA2296A357F4020CDBC1
x64—Download9DCC88E21A9551ECAFB60B3F9782B36FCA76F093491B2FFC7A9EF685346E8EBF
arm64—Download1991BB9886FE098399A0E22317734234FCE9DA26768BE7371832F4632DDE2E56
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download062D2F7B1AB50E8038D780D956AA2C64BE0C779FC2768B499F07DB6AEE383C30
x64—DownloadFEC0A74CA54D58823C75CD9CD3F550D8994E86A2C7D4E59B0CA612970611A90E
arm64—Download9DB5E3DEB0C8B286EE53A142F94F72F6B0D45881CD61B212A9414B3BB4DFB95E
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download1312CF686194E849741CDC6EED502C07089AEB14F8FD20A884F4CCBD9AC2989D
x64—Download2D6EC44D82318157DB7442AA92CBBAD30BBF971C8B7FEEDBAACDD247A426EBB2
arm64—Download2C00ACE89D153E6B620A1578F1169A8DD2F566B2B3F5C3B53EAB54F6E79611B6
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadE7459ECEBD60439E3911ED813116A00D37AB247605A2AB2121D040A276F50D1A
x64—Download4922FAF0FB7B433C5EE0E29EED2E0BC24F8381EDED5541E113DDA261DB7FCC72
arm64—Download3FE11D89EBF33FF6049E7291CA2C3CC0078AA3B72CFC079608CD746C04800A79
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadD614BBC8BCF500AEAD02883D0DF16918FF635376C986221CC64F1CC4A793F9C3
x64—Download5B727CBAED871116DFC0DC4CB4353C23798D91AB3E8237A609F42E8AA189420E
arm64—DownloadA57D2A1AEF2EF0B6D08B91C5D7A6EF7085B6B1E5F411BE25267C8E991A6C6AD8
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download5F8811B3415C0E02DDD7D92E67B269CD8B468A9F8735216BA865A3B28C8F7808
x64—Download4EF25B98B14EADD9C8CCCDAE4A9AA70685DF14A15A6ADEEDE5D12CCBD75D37C9
arm64—DownloadEFA34BF52D0CEFD90B856EE6FED783972FADA472D5C462A78363489430A0AB99
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadDD2C34D21AE08DD05D3644C807876355ED0604C09A8D5369B79E030DA40F21A6
x64—DownloadBD038CEB3C0E799B78B62FD047349FAC8EA1134E50C652D3451AF44A82527693
arm64—Download9CF3E6100A289007CBEED10EEDF52739A3AEEF8E6163CD53697E679D952E6683
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download194D561C7490A0137ED33F4A785F001889A9E9ED0E59944A84B42BA8CDBA76FB
x64—DownloadCF74784A235885A7B4BE0BC386D0CD7ACE8F4144755EBBD399ADEF75053589F6
arm64—Download578ABD94F6C97AD14BC465C6715A499D53CCCE7C8332B8C0E71BA9788D963332
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD9887EAD97C1963C4024F384C6857E8734D946AC72AD4D5D50C8D656F21C1BA8
x64—Download22FCF4570FA9F13B6EFB059DC5402FE69A20F6744A2C2112EBA7DF5E41EBBC36
arm64—Download3B263A98FF886191129EAD5A3F80212C0474540185CED6E17D454DFA0D9779E8
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadFD4D08617AB8BF0FBBC14D4D2DCEDA05B4908A1F567E4AE1B7A80596A15330B6
x64—Download321FCCC06CC98ED0AF4AA6D776E95563B9B2572E5E0DF2F50D2E30D50FF4D9C9
arm64—Download51DC9FA43EF5378E8020D1E227E6EE8F958BE67DFEA423B01BDBA5ED27052523
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download8D03A93E6550B2AA72340D82807AEF2D2A7808ED7342603EA759C5B4AB95F541
x64—DownloadB5C48A881BD3B1BC2C251F00EEC07FAF27E77AE4E59FB1328B1B147CF3930585
arm64—Download27B1DB452C583D1DE65208EAA40028182BF2D87504E7957587724E207E5ADD1F
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download1559ACE269ECA7A556DB81547431004757FD624219F1E5C9F5EE717B0FF33A9C
x64—DownloadC0D46924E14694186AB467E61B6F3D76172E75B6030266A7D85D7656A1C2E6BD
arm64—DownloadBDC4C32A88C7E28FC611C595D2810AF2B1ACED8955B56220A5B3AE82E5E2AA1C
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download248DB06974B3CF93CB394864434376B257D351148609F274F0E1BFC107244A3A
x64—Download48A70FCA2CB1DE238BD88F8336C3B85BFDCB9DF6DF4D9FF784775C51D375D60F
arm64—Download503CF39D5C35B7B4026A51D1BBC15DD126AD3A3CEAD63926C75AF3DCCE6CADD9
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadE338B98D2F91AA69318157E25AAE0CA3E76D69882522E03736A4A5860CBCBA37
x64—DownloadEB843BFA084CF725E18EB4113DA7F2467A22D70AE3CDD50671AA8DD90E4C822C
arm64—Download9B8CA86F87ADE3B582846B0A0F3E2981DEC78E8134A0290F83C790850FF2CF83
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download6B8074D6E0BE9E20078EC6DFD63279BEEEBC0C902023038F07E42E43ED65374F
x64—DownloadBC8DF6CBA27F961B4E44A0215DB086DE2F6A2A952270F8E4B692EA78E03069A9
arm64—Download6C63EE8B3C1403270AAB3243078CDF7BA13AB77F0C8A6FB201369800F97542AA