Tuesday, 14 July 2026 @ 15:01 UTC~5413,429150,800

Mozilla Firefox ESR (da)

Mozilla·Mozilla.Firefox.ESR.da

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

winget install --id Mozilla.Firefox.ESR.da --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—DownloadE3A40D83E2161478D6CA3097B504EDF534B45560CF8A0C3653BBBBBFEA0BDC69
x64—DownloadA40BE09D0BEDEB1EE4A38B44D3F701BC6454BB6B51E5CE491224EB4291EAA1A5
arm64—DownloadE2A6F0AE9EB346CB6D96A93C714B36BFD79C1A96AD0B4135E4A15AE5E17F92D4

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 (41)

140.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadFA05FD59AA4F7E51E6A7FFA6128918DE18C174260A2CB4C6129866606E656E8F
x64—DownloadDFE1FBCBA0495E0259E5ADFAC905B5BFBE2565E8E0554DFA9C7D30AD47EA9398
arm64—DownloadDB379558A6BE896632930FBD048D550BC1D232FBB8A96925EECBE60AE304301C
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download6C14E409100383446A345A5AB9B6E832A9154CCF245A93CC55CBD2AC82181C43
x64—DownloadBEEFFB8203ACE8E1E4E63FA65AAB5BEBF97CBD2ED33CB636A4D6902AEC926417
arm64—Download2B96C47D927EF54135B729243E27C6E0904149474A9376C36541EBBA9EED6FF4
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadFE6B56D2D7C7E415B7DB772321ED0BDACEF4D57A7E466C3D95F214F72E5D9650
x64—Download14873F9CDD5D6B5DD7A2D6DFA7818458A712BB49439F185575ECD1FFB2D1BE9B
arm64—Download278A926F091C58D580BAA02797D7235069CA2F371E98857AE870BD8E9CAFCC90
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download7FA665DA5C77E73F68AB6471CF9B0F2D53986C178D16A5BE8FEE2526DD908293
x64—DownloadF785D376C45B675DC075B7CF0C48789D496D1B123796D86D1D1766F7B07ACE44
arm64—Download3EA9470BBD9A2B9A70B7F1021494B7160D24CE9CA1A1791F1663B3206D3E79C7
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadBD28DF34CAD92928BC6896C7614FE87EFBE7E97EFB8FCDFB168861846CE42CE9
x64—Download0092662A5F275C868A9A05C6BDA8AAA86929B016016387E48AFCCADA0EB9F88D
arm64—Download5BD0CA1CA054926869D4C5C27DD1D50792BE31F94E41A27BBCDF545B1EFAC296
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadD066B4C76DC7333DC50714CAB1097E3B9C773894004C39CC1091E37874F65A6E
x64—DownloadEF4B80412DAB90F027F1A2932575B09831546FE75CB7C240E37BF7A0CE024282
arm64—DownloadF075BAD90298EBB837F161C09CF281843AA7EFC4B6AB3ED4B6385D00C3ACA84B
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download11AE2F531B8406D43830536A6C0F594E483BB44174CB80842270CBF3E152C4CF
x64—Download27F2B1328932D1A16F4FB209B5DAAF1B21218ED985E4807B914BED8D55583165
arm64—Download56A38CD00B6316B8DB5B6F5926C16ABEB48C617513AA9F6C1EE77FC84CCB06C5
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download728CEA98148B92CCEA194F6BD65BD6B564F02490429DCEA63D7E05F430B2402B
x64—Download4E4B9561B6C862FB55C063B8D9FD0FE133FC514F37C62A4A5041019F6A2BE63E
arm64—Download93086FA0FFE0BF0BD3AB1403B5C2FE0970E777A32C9C9BBEC63A2CD751DC69B9
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download86C4E05BF1A9FDFFA0BF7EFC99AB10B3A3CFED0A5218DB9316FEB0B1F5826B09
x64—DownloadA2AD74A3A73937A2CD118A3E3DDB6344A4C44F066D237C9132CA9DB19E5CFF7D
arm64—Download34379996B334555B3D13E09939832358D0999EA1E0110064D7C875F42F1FCCD9
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download4213FFBFCDFCD1552135123DDFA9C9E680B5E305DC4A0C3B6F162EBD478F205F
x64—Download12B77365310D6F99CEF65D957F87D72F157A30237DF7E3DD937AAD026EC61E7D
arm64—Download62AD554443AA98CDE566896B3BC107F7EE40F838B4AE8896E87CC4742C32D002
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadA159DD4B22D92003E89A5F29712B25ECD59E8CEBE2338E4808B3EF2016F2DFDC
x64—Download35F34EBFFD6C9A9CA4D2D7B4D7FBC6A3193C12A7AD68B3B18EFC1513310F1E39
arm64—Download75C367F2E6855405A35482B808CE05EE70798666E608E946A7BF15B95ABCBEAB
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download68DF7D5D0C2A93E65455BFC27B6E5BDF092277E7220CAF35E29165F1544FC6C8
x64—DownloadE8144BC4633AEE30454493E860D33C3B63A6948CD716736D60D5F8027857FF08
arm64—Download18B6B77A329844E6D349CC27D07E8055C4E461AE1679E9E80056184908F27399
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadD584E19AB8906BDF481023C8D3330441BD11B97EBA780A598DF179F1041870D0
x64—Download816E2361E73D18934161E27EF89458DB3143256ACC5017E4BA02DC46418B3F4C
arm64—Download3AF126E847C074D4B43AA170A8CD974551C246C50181B384594005AD43A061B0
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadD2ED859FC7FD0435F2EA39C3D88FA8F51ED4F885BEA213EE4CD2A791D30A46AC
x64—DownloadB3B4DD4627FC2BAB5E69810DAAE82EB7742A7041539EDE5A97E2C2D76805E6EA
arm64—Download202E759628640D17E2B927408159D1F64D68F75B55E530CD395CD7D620A8993B
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download7D3A4A335EC1D1F1E8D9758CAEE3ABD8A4D737F38DF227BC21A19CBA6488E388
x64—Download61207AC9882B28424B85D6AB22205929D595E1D0ECD1715A64EA84F327E15240
arm64—DownloadE90DBD332C077EFBD8A9ABDF9E5E17517448A713B5875910A1D28FA7A36C7D20
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download1191345FCE0EEDA19B40149BE979AB4898CF89D906D342EE62C1A733FD7876A6
x64—DownloadABA753BFFA26F39F34497733A3643B9FB6AD37B253FAD19845CB2A69DAE76C3E
arm64—Download9ED4DB1F57A026A54E7218C282C8C5B65C76E5C60787028B960026B1FFEDF87F
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadC5A3EC80B4ADD53C76D8182DB06893BA76B51ABCFE9A95598B1CD0BAB11234DD
x64—Download570A27C298B501C4D8D60FEAD4B262707631AE4EBFF9700A892BA59A9841B98E
arm64—DownloadCBE075830D019223B14CAFF856149A8A9934D29241482356A02F627D763148FE
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download0108758EB1F3889F44BCDDDB04015280286EC977C780DD48B6AB5B1A147DCDEC
x64—DownloadA20352D7ED643ED5012B338E82610A2546F4166A5221A0E86FE78B5E25FFEF93
arm64—DownloadA7C5D30084B66BEDE2F11A55B799B5C7F3AB878B5331EC1EBC2C719867578FB6
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download0C40B37703F69AEFEF18C59C8FC137EEF136EE8E11A65384A428F1739F28DDC7
x64—DownloadED7A0B30DABCB5D1C809823BFE1168AC73E4415249203096C52E942421FA84A5
arm64—Download4F93778AF6B5F890BDF0CD8C12006A700DDE2770CF5925C5F5614BEE64EFD424
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download23BBCE679D1F51F805300B22D6E8573735A3F554A03A1FF4E688573A6893946C
x64—Download1690FE63ED07CE265A92590A21D7BFC8E0F4BFA1BC4142477D480D026D018A91
arm64—Download4B38FB63D2EA90A4C03129B5141110E5D1D78DFE5DE44C59A44C47A415AA00A1
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download26452C672072FC1C3876B1FD4EF1FD1F45CFB8C6010E6E043D803697E7039198
x64—Download698A88F886083B32581FBAB769AC89ADDAF5FCF8CE2FD65F342B3567A751180A
arm64—DownloadB5BC1AA11600F2B3D91A96C79057A061B542C5D0BB7E784A29B56A772AB842E5
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadDAED9199DCAF07FE2B47424423A4FD5E110975F1D2C46F30398C04EB15EEE7C2
x64—Download74BF99687A57B2BD501F59E863D1562F23927139A63961D91047B90F9B75904D
arm64—DownloadEA942DA7D6B50B51385214EDCB655443490641DBF2A722288ED7D4B443641BD9
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download5D01F75ECBB8F7A60756D12CA4B93DA8E3BC83570960ABD6B5E05EB9B427C20C
x64—DownloadE735077A11F85235856F1791C8F2216F39CF182B6440D46E1C8A9066BD89A954
arm64—DownloadD9482488C8F53AABE24CD41BDAB9EF520675BDC163AF598492CAB208162F19D3
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download4B42B69B43EC56931332B7621EC75753C740598365983346D14C88970D8E5171
x64—Download33767351613DBECA1339D6F4DA3D79B7AAF05798710AA8185646D07F7D0A833D
arm64—Download1FF646698B1485E18CE05F483E0F03B0642F7BC90A57A1A086D15A4D8851640B
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadAC579E85B67E652B54FC1AF49863D78C385F4A892B72B09F31C67C19131F4CCC
x64—Download53CB0589C9BDC60965BA78C7E6A63DE5ACBDD1E6C45FBC08CC25763499F33AEF
arm64—Download6251096A62E405738D030346DEA4C94CD2E0752A6948402C0B5506A3066F6323
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadF72163BDAF2480D7AC85D9191266FB8A56C717412D37C913A990DC05B52ABABE
x64—DownloadCF2575BACBF31ECE925257BAF055FF03B73281EA388BCA0F8AF5F95A01B40884
arm64—Download3DD86C086A1408289A0443FFBC29FA99C3F516700335240648509FF5E9DB834D
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download26E8A442DFB2B8F10709F7BA82DE358CE292D4F60BD1999C41D8C66CCFAF3EC2
x64—Download24C9EF0BA469DCDEAF93F8330E56FE563CAAAFA4F79CD134BF91079BC38C9E28
arm64—Download12999DCF3A8AB7A7885AACC1465672DF3D1F9DB35A8BB9E3B3331BE9BE7D352F
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download77272CB1321DC8EA0F02A82BD6F72700055DA72A80E7653893EEE0577886316F
x64—Download2D4AB8228FC8253F283A07411C091E95951C88770167E2ED39A4EE9EB8326BBC
arm64—Download9DDBC39CD831F5913EFD706531361E315B80CCE7A58192B58998A9D57D15E425
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download2CC11C60D668851FE0F3C60615AF43CDE6213CFCBC7F1B82C3E064577272F77D
x64—Download0893778CABBEB9A887B3DC2388A79E45E72E0C438D177EF37DC9BB9B9BA438E9
arm64—DownloadDBDD3505FB96870B92FC788D55A4829655E97E9749788D300646781C2349D86E
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadF3BE9904A62E17A7F1EB8E5D7DD4B990401AE10E390C5FCD6F9B0DE829C3FCE5
x64—Download19B0FD418504A5F1158D43465EF81791479FF427674DF0E5B8DA96A62B86EEC9
arm64—DownloadA25DBC42212B3DEF9381A1842811A1E5BF9E560EBD6899E30795BEAA997296F1
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download2D83CB7B542EA1634C715A07803EBC29AE6329A11F2149FC0911AB2F629520B9
x64—Download4F5D05F807DFF9E27FCB93CC0BEF5958A8FC5B53B60BF3C5BDC175C238130F6C
arm64—DownloadBFA93FC03A102B976EB4C1EB7C868DBFC25D3C24ED55F68D7966496000F84340
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadFF5E87C26F6D318792F166359D5B16430EDF5433BCEDD0C9A8ACA01AAB92EF93
x64—DownloadE482109A382715F77081DDF4738280FD5D6C9355FC89ED5FD63171E533A11A43
arm64—Download4E6BBFBDA863D4508F4BB383953875108AF8D6A15C61FD414E6D17F8AC6D0A30
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadB57DB0CF6559B85617CDF59EE61CDE3DBA5D46D95CB2C2F66058D050BF5FE233
x64—DownloadF66C18C8935BA081F367AD3000583BC4A5726325BA755D553A5E7D4794790B8B
arm64—Download8804CD3168B460C1DBE440F5563F81DD01DD5AF8532A41FE8A5D3905D90451D5
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download322658FD046AE645E0623CDB4B7B38AFB53A0552DC8A29B3AFC4B67527C1450C
x64—DownloadD46060A0D8A3F90CF2FCE22D74FB7495435FAAE4BB44B97531732CB74EE6073E
arm64—DownloadF3D3F7861B279577606D319AD09FE199E06E905149615BDEB4D1B1FC98792B3C
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download137C197D6A6F9F56EE2119174C5A9A962725311191EB8432E67C612986D34A17
x64—Download3DF03402CFA54ADF6A482FA6245D7B60351145205A4B580D047315DFA975D83A
arm64—DownloadE8DD193AED28F2E4A42371B03BCCDBD33CCB4268E0A8283D318F50AF5388888A
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download9D0296C5F11381627BF76C7AF0F296EE0A4DAAF4A4D9F20351371442EC831575
x64—Download7B78BFFD48313B28C303FDEB90A3E6C3A26D18A18ED449EDF738E3F9C5428BC5
arm64—DownloadDE8DB227ADB4741034D2A5F9412D5F07A3810947B59C228CB16EE701E39BB3BF
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadE7EE85D30E5D15413B2D3D3417461BED7211F16469B3DE600AE2C6EE4424C439
x64—DownloadFC484C6C8A9C1D97D1CCB44030E2A95E2169B356D0927972DA0EABCEA1012E74
arm64—Download5AE3338E0310F498D4AC5CD985A7F789E3DA699D2C4573293FF6D38E47DAC1DB
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download9933BB9B7C34F2BED7493A25927E9BDD0315573547EB528AD336AFBAE05B3E85
x64—DownloadFCB3546FD5A3D3785F10628048C27E8247DD26C7AC531DE080EBACDE0B46C922
arm64—Download0B73407186388E53AB35C7E0995B4A48C6F98618AB2ABAF614F5D4635693AFFF
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadF7168A92FA27A3F93908DFB07B4C8A455CBED51C3DA274E153803CE4225B7396
x64—Download11AFF21E3A3B176B59DDBA4C8D96CDF3B9A1B00DD53083618F8480C16D5CF039
arm64—DownloadD611C1279BDEC01BC6C58AA60937E476CFD8D534680D3B9BEA44686190194EC4
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download63CC1CB4C58CF37C34CD64ACE289F273FB6A72A3F1DD35896D19EAEF2DAE20FB
x64—DownloadF067760FBA76CAEAD58667170097FE9F9498BC64D1B6C49059709CF61535D01C
arm64—DownloadB2EF7789D231DE3A0D7A93FB9E7A97EE281F47A5092FDD2104DE759FFEEF9866
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download567F8F0958870DACDCC15BACD11D8F4D92A15436625496583F511F33A9FEBF90
x64—DownloadBA93A030655A39051A5F45F02F64C6EB1B9685755DD14FE09F0A35FA9E19E022
arm64—Download613E6677D1EFDA4D1B6931394A2524958B8CC0327EA8CAD447764480124FB8FC