Tuesday, 14 July 2026 @ 13:01 UTC~2913,429150,779

Mozilla Firefox ESR (ff)

Mozilla·Mozilla.Firefox.ESR.ff

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

winget install --id Mozilla.Firefox.ESR.ff --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—DownloadF610E4E4A4E4EEC9DD8DBEBECF38C9DBF78F2C5B8A6E6F61CC41F3C4277FA569
x64—DownloadCE75CC5030530BF9754F6F175752F806B0A02BF9158D1277307684BFA7053618
arm64—Download382536369B6552BFC1D2799243C84265FAA782319AF4790B134E3397432CE7E3

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—Download68FE2CAB42F395042DAB21A1229732E237101A16C5F6C02A0120F87E563C7674
x64—DownloadBB1E9B42A34079AA7C5A3491B5FA7F4BEBF8FA460117D8F6D37FA2E755886716
arm64—Download9114054B72FC9DFB2CBC81964367A9B1DE77860F45EDDB9C48651BD6C9B741D8
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download3DA70318436BE30EA76941A752031E015FDBA6A83FDDE9AFBD39CFAF46482F1E
x64—Download22EEC4FEFA21829334419CCD1CAAC62EDE096B43CF3582CC099BD1E6C3884434
arm64—Download7EAE7C1D1EB602C95BF99A83CEB7EC7AE4B5A80FA12A546DD1992FDB2C948DB1
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadEE4190A91FF68CFE10A7701BD46B9F11815C41A465FA1F9B9793B279EB8C035C
x64—DownloadDAD665FF9414BEFFF5852027C898D970288954995422AD82F1E58CFBAF9F8668
arm64—DownloadF049A57AD62DF84528C897D713BF2B951B766073A7386AE643895D3477CC9E11
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadD30DA94C06530AA3A408C34CCF94938CA9738A9FE314603BAEADFAE6F1F05C3E
x64—Download6399BED1CBB725CDF8DBEB6EF69338E0BB3AC4719C96083A9F508415E41A0B94
arm64—Download773BF6981EC8F69D13ABCF61FACE8F0D8C8E480A925E00345A64EBD73F371F20
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download81A150275E5930C4F53B9B84329F1685E4336B0B6F4C2D066566CB7D88B70CA7
x64—DownloadF4A60114E97FBCB4BB34462469643BAAC27C59AB278ABF1EB0FCF237D3D78A4A
arm64—Download8FF531533DE0E9A210181935D377774A2DBC1AD0D8B3780147A61CED2C4DACDF
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadE78EF60E595B9D2B1674374271723C83423410DA9A9BE2240E933A8C2FA3772D
x64—Download4201269C707670EAF3DF8A8798867A72142260D0746BE5C157182518DC5DF7CD
arm64—DownloadABE50C94A09A9F917C796DC58E656D31E340A18175A29691BC029929DA94A6CA
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download32F3C181C9FE4FEE59CC7F49DC29CA37F2FB445976BA39BD1D37CBC9FFCA8B19
x64—DownloadC6E835A50B9A665CEB21480FD703AF3ACB776986041BB925B1A0FAF6F38748B0
arm64—Download3D61A3AAE8335F078BAFAE47C42AC9F218A5BB14F7605B094A58DCAD57A9C5EF
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download6EABBF4AA4989427C38A05B080815D9B23395C09B408BD9C2409628E87A07862
x64—Download7B1C1CA37BDD17B9E9C9CCE4C9C3044C112894030ADCEAC0A42E30F3E772C3E2
arm64—DownloadE0F66420AC4ACBE178F7926A4CCA8FE9EF086FA8A140351CB74DBE2526447737
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadD8F114AC85FD4B5E5D6B3133F0B042AE719AC1541A94464FBE435C179644E5C3
x64—Download06664D47DC308D5D34177CB1CAF9C00FD8314133087AD8B3628D3D0129CB2729
arm64—DownloadDE1B0AC3F4A3C420082FDBC4B53E97A0CDE84B8A805AEC496363F2202DF933E5
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadA84AE97F8763B01005ED0832399B5714278C99E560C60957A48FF975017E0FA5
x64—DownloadCF0A3DAE292B629D94D308D09F95A20BE33ACB7E64940C7ECBF1ADC1A04CEC2B
arm64—Download60994AB47E99E256FE92D2B8DC6C94BE209280571EE0294B57107CE68CFD6EEE
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadB514A32CE669A2A6A2AA741C258F6CAA7B7E1827E149B91032B860DD163C33EA
x64—DownloadAA52C511C9553753641AE78CFDE839FA6321C5556901183754859A599F44C2BC
arm64—DownloadF89BD6FD3CB97B51C956FBD6344464A7F198B7EC1D3FD017C47095BB3038FF18
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download729453BA3614D94136CCE6FB6EA153656D3F7C4C30591862261CC3DB600BB14B
x64—DownloadA31170A677EA4A5D29C1D6F5268478FF9BB1306B9D0570D1A1C559253D605E64
arm64—Download60CDCBF2CF57D326E7A398FBE211A28C7707A4E4D862A79B19E906A8213D2517
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download38EC3713487AD612C99883D1905AB33AF36EBE0DC48C4611D20A3791388BAFDD
x64—DownloadA4011432D88E3BA9B3EB189FC7A8DDBEFC42392D66D28D1237D0B2A257021BA0
arm64—DownloadDDBDBE39C2F9F28D249E635ADEF2F75E74E7011E344A98411325D20E4116A6BB
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download6425AE9B355A463D8B55FCB7A6B2FC29CE3D89A769F8A4208169B756273CD8B6
x64—Download68050C93326B17DD027AE27B5A03F34F88119E00A37B766B641B331F6F601CC9
arm64—DownloadFCD9305C1E7474F1EBA119E88C52E826D755947326EE76A3FF8E4A9566FB0242
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download481136BA04AFEE20028C0CF526CE8E957BDDAF21C38E285414BAFB1969931140
x64—Download48D77E5CB42B2447F98033749EE9DFB595CC378B4E3C7B123E7A8E16E483CE43
arm64—DownloadB71399FF8BBD7732C39CDADE837EC889D03E97A968F27785BF1634365CDAE221
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadE0C5EF36A134F98259974BE08F094F2FB886C86C32DCD0ECC4AAA41D57AC86A8
x64—DownloadDC225B1E1D5FE2FE082AC83C79FC3F7A655952D97DAC5B49359E8B2CC44E8D2B
arm64—DownloadFD5355F41B39A42E0190035E70F59A0AC3624D8DA18388CF98C072256E293BC6
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download3FD0A7E74429F3D66023E05F582D357618F5B87D075B34DF176BBEA0FD6949C7
x64—DownloadFB810E28665AB191AC3C6E9F090794F6F8B6E34F01E43E116580FFA8100AC090
arm64—DownloadF172B43F743D9769FF59463ED030880000749A6AF1F7B18217AE9EECA26D9A5B
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download00998A07A82179B82C02BE39323D0F0FC6B0B223F7585F40680212834E2A0713
x64—Download0BB1E5ED4DB9B153D3A94FF81B5B04BE41854E9DAF7AD57205EC8F5AE92AD955
arm64—Download0DC3A6DCA93A53A63C924D087D47C96F04C8BD63AF4639411C9B79B79EAD6151
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadCA7FFF2E5562F6B72F49DC217B34E4C934B62DF4DFB2DC8D9E810D39DBE8A5BC
x64—Download9907A98BAE01697EDE42CEA397ADC00E2ED48CF135B9F3CE40B89838E017A9CD
arm64—Download4EBD479A9B2A9FCA41F066697CA6CF6A70BD5491C21696D5FE722E2EB41FA942
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadE9308DC1EBA535C50A81A4734266F4D249EAB46BCC20A0C0970C782AFB709706
x64—Download0841C592839372E3B357B352B27A14AEAB7A1A462B86D300F2F44143617E7EB6
arm64—Download725EDD204C5C81C186116D1088E5D9BED19958400CB1B51CB434A86BB052A11B
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download3F2EBC5F7B9E011D56018D75775FC09F6F5F3BB2AFE80A3CC43A491FB98CA1A1
x64—Download5E3C4FEB1E83EAF46943959B3F4C9BC9B4AE916406CBE15D1D749696E392F6F8
arm64—Download10E4344766601BF9BDFDE147AAEA517BD51DB9A82517D85AA1B2C952E30A1370
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadC28D372E57C4B3272A1633C9780A1DA69AA7B8049A124FF51FEF66A5668AA2D8
x64—Download85DF70B18E068BADA9B518D0B7F525BD8907E96D7181F971C15195D713E58E89
arm64—Download030089B2751D655267253217AF435C9F9396D466FA03970F5DF7E4B6E7E91647
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download6E8D076DDEDED404F92F79E2E64214B137B528AF1581D2D0476C34AE47ADB555
x64—Download4144A0E0A3A8F3D2EBEBFF86EE671C280AD3CE47A22129021FC0EBC85D924035
arm64—Download550E1E38BF4A653A196DB0A81C90F0A95F68A55873D72FC041E3E9461EB8AE2B
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download1D30AA50FC011E0078EAAA6A656F86FD8517FF1B15DD6A8AC181964EE2C37E05
x64—DownloadEA4B878FCB2F827563E2724A8326EE4100E5DDF575E90E9D2ADB7ABA9FB98D38
arm64—Download0A2EB2D56D8CA4BA7F8B2428CD427A7633847D87EFFD74197C7C4A1369B31BC8
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadDF15BD99085EC6F3B42157DC61F5191DC7763F722ACE5831995CF350098341A5
x64—DownloadF9F55FD5A8BDEF3E3A33AFF882907EB81ACFFB5F7D4DC2D3B23F3997BAD92ABA
arm64—Download628EC1AD195E4A29D52E4B3BBEB3B24B7ED2B7E32A77704072E779E7076378A3
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download660FA6AF179F8C162623C806F5BD849B699C49D78D44527FD06BA87272CDD615
x64—Download023B0351F11F54FF8B6010C2600154881204847363127007E90CCFB2212D9044
arm64—Download6E600BB54A5AF514F3C81E3A824AD0F46FD30C4CB6F5DD4E9C391DDD80170AFD
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadEBF50A4C2E66165DED9B7C44402674BA98A0DEABCA04D11F93F95BF3C94355F2
x64—DownloadE07E13A2E1F62017283C2AF6258E69378E70E91C0AAA5DD30EE8AB7EC61B81E0
arm64—Download6A563AA9F52653958EAD6EDBC31BD0A110E60810719100CB7434A4413CEBC6D6
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadCDAFA372C7D0B6FCA7B09AB9B9CEAFD346E3FA943FA6327373CBD2020BB4156B
x64—Download3C9348EDF19BAB885DC101C54244DF5DB809C94E12763C6DF1F9E8B7B6804E43
arm64—Download2F49A1D7DB39C97EC38026EF02FA9550ECF93AC9B2D93B37BE035366B4B32A6C
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadA599D344D0D77FE31A3A14F5F58E39A79D47500353D4D12E7C96BF893CD9E5CC
x64—DownloadE8799AC9E56A1C84EA9DC3799A9793B63E8E99E84B188EE66A5125741EC6922F
arm64—DownloadB16D7362176B2827EA9FEF94063630DA7F6B8558E44B1B399E501A12C1135D1B
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadA815F5F65A647F268AD7A96A9AB03F1157F52A5010A8BD585CC3115C2F853208
x64—Download06082BCF8115DE95DBC4C494F953298E686D819581FD7E8B4A37593A96DEA5FB
arm64—DownloadCF0AB47FEBFF9C17A8AEECA04C3CFE4FA8224C44618AFFAD61B21F78B5BA65C3
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download40D2EDA01F9EC9E540EE0D5EB18285F7961BC19C722C78D0E6DD671440FBDD62
x64—Download408BBC338578061416ED91A55013CFC28A9413ABA8D3A8A29A489492FADBDA5C
arm64—Download4A2AD24CCA9ABF28FB5956D341541D3E562F7A70E3A01B2702F02F365CB371A8
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download1C85727C8ED435240E625F901FF3A3D96698FD6A669950D20E79208024774B14
x64—Download7FE9885E13C60C4F71466E1E075031C6DFD331E467554685F2CFF72A0E908D94
arm64—Download65637383872FBA8A20FE10B6136BC60399A4336B3B734D76491953AE9D8C64A7
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download4114B699470C103FE3FF400B4F6F67344BB1E5A656C3F3BCF95D0FFFC3C08E22
x64—Download715FD9DB3B7D2937E660F14340E84BD620DE6E7B0858995BFB71C24A15F0022F
arm64—DownloadDB99260654B0C822EC13E92BC1AE9590E0DF74D993DEC75330EB309D378ECED0
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadFD97F8EE1737B3E11CBE426BF7E7918558C75AE05B31899515A1CB9EC0C98002
x64—Download18AF95178A39DA8CE6F52BB78F6C2D0BF43AF09A0123D1F7707A4AB2CD947EC2
arm64—Download84E1D3B82DE7D44EDB582CC0C4221424FAB3EF83302CFAD62CD3D4FF472E7C1A
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD58ABAB971CFA7B8A846EFA5DB83F572801AAD8A2AE0205927CA985C045AFD10
x64—Download18FE54B65EC6B7BCDCD4B905A598983349A850177687B81EAA54C9F1AECD833A
arm64—Download0F9BC4FCBE77DE5675A9049750C61280F4E5BECAEBCE68820DB0B4E05BEADCB5
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download792C7AB6F62954C41D81A4861CC550886C7EA74E8AADFFD20489B1100826287A
x64—Download03B82704D42A0D772762D53DE4342B7E393FE74A49B1378CBA192610722BFE95
arm64—Download0CA65BECDAB4437AB69A6CCF8F99189FD90797EE23882E13DB841E62B109B81D
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download0EE9F72429CB88B54919CD8F83B75A8DAB0817CF2E3E73566940F530A5B81A79
x64—Download87268B61DBB540480ACEBEDE5836AD240F96CD9464C099D38287990107F06BAE
arm64—Download9E01E96F7BCEECCC27F5476B086F8C8589B28565BEB6DB35469B3266DECD5EB4
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadD838DBB8D2F81A4218CD6C9786FFD1B37F675BA50FB2E9F528BF6F70C5B29228
x64—Download03F34EBEC2F47C728267C6EB07204BDC36980AD7A93FBBC6CDD5B29902076762
arm64—DownloadC747D959FC7373CEC9A0443E27117A8114B3C01E4F0ECF8987EC805974F50437
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadD4B0245B1A29822789C74EBFC00E385A11E7C87F89AEDDC2A3444208712395B2
x64—DownloadBB902DB4A5539A45C53431F380B332654C3824884A963216C577F86623A23EAC
arm64—DownloadBA921EB01B09173347088BC49669FFF47DBEFED7EC4F1F28C503BD917AFD1DF5
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download7A03563F1756B9749F355C15D3869D9A599163E71094366BCAF84DC7CCEB221B
x64—Download08675FDCDE64FB6724000C4677F17D34621AE2EC3C9A2AEC5796A333C4D07A3D
arm64—DownloadCE5CC1CFFA87207D2D4B93CE11DE8229CF17B2674EDC40290FD46099247AD3D7
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download82FF0F6E1EAD9B8B807016E530CE26195049734B0DAFC9B213D33730D7129B58
x64—DownloadF4EF327EDA931AF91ED83241857C30B510DC619A96EEFB445F1837C3062A3379
arm64—Download5FC054B9CEC0AD20E367540C0AA5636C15C8CDBD24F4CFC717B58A2E9A5AAE9E