Tuesday, 14 July 2026 @ 18:01 UTC~3613,444150,879

Mozilla Firefox ESR (is)

Mozilla·Mozilla.Firefox.ESR.is

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

winget install --id Mozilla.Firefox.ESR.is --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—Download73AC82CA8B7AF9EC7A17B7573FE6FF74425D8FB4AAC40CC71E8FE52EB1484A85
x64—Download58DA8B9870C7E7E1EF3496819B0DBC3AC0300E22EE70DB168C5599E030280FF9
arm64—DownloadAE3C4AC7CA80660D06B5ECB9F7EAA5823D7DD1EA1BA93CF2412DC5288646C1B5

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—Download2257F9BA2A976A97487DA0AAA69862CBAFD2DE681497763A348A197BE2445BBD
x64—DownloadE5ADEC8BCC344BE5E70286CB96B316B433844501F3C2F9D8A093D3FC2F21D639
arm64—Download3B484CC71259EE986746C5E3AB60E3725213C055279C5A655C76231CBFB58B87
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadEB5E5A9054D6492A84E2DE4EA1DAF2248DAAA21D539A418A3F6D39AE8D7D59FB
x64—DownloadD3E59CB8AAA07484177CFAF2E65CC236D5D7BBD73AD3F0B8D94C4B22D0CF2CB8
arm64—Download28CA715A8AAD22A9A783FDFE57FEF88821CE265FBA15AF54D932045106BA06D9
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download4DE388D0812C351021038E4CCEEC4F9229542EFF5EAA63296D1DA725FEA6301E
x64—DownloadA9CC59A0A79C3D73FA0158304141919EC151416812136BA855E4EB292AF4DFA0
arm64—DownloadBE030AE33B553710D562255072D644960B62858964317D09416C2C183792194E
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download7B6A08EE4FD262695A23984BD479FF40762C98FCBDB8E9FEDA768A3D6FD959A6
x64—Download5A791FCC927929C1374EFD911636643646E71C55A2667BACE50797409D152202
arm64—Download7815041732E484DF0A13FBCBC23CA3FA6920A6B557E69DDF1B68AF8DA5818C02
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download8361D2D9BB191CAB4BA03AE080F39E6BE8C646365EC5549F0ED085C2799DE17F
x64—DownloadD99DBF9EE33816A9798A65AB594456F0206870D7B12F32E632E5086D9A7D3A99
arm64—Download5226E2BED2A3A729109ECE01A7584B8AC3C51A02F5040201CA5F0271034BF62D
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download23FEB47120220B4D077FAF82C610C1BBB8CB81C9986FDD44E189EF363BBB2420
x64—DownloadFD5405A401ADC3DDCD927ECA8B79630F1D3AB19CAA56094EFA8A2E3628C55C21
arm64—DownloadD136D5E01929308462DEF8FDEB0EE70353E0466C94CBCC81D429776D00DE49AB
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download5FC7D69CAEDEC9CAD0A43463B4B7D6ADE8B005384153451DD43976C497FD8BFC
x64—Download5B03565424C37EBE52661493D4A6D969EE2DADD45125F99DBA9DE706DA2DCD9D
arm64—Download4D59795FD71A3D43DE4409BA0308F4C34D27E0285D88CE1FB107ABD95EB262FE
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadD55F4E0CE251009AB35F42DB83F0EA56D1D0B110B3EF8FF60DB48BA7E5B4249E
x64—Download047F9D54CCFCF959396AA3756B32BF7FC84DE16EFFBCDCC8D0886A43D5EE8B22
arm64—Download27D53D219BB5729D9D4DD6DD5EC849563E2C5A68A7A5F1BCD9FB3C8B33128396
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download1455AF2128DD1E93E93B314FD4DA7252DCD220288E3CD3F25A872995F1747053
x64—Download4B1AC8B95ED0DED274C96A57B1B5CE0F720470AA6B4BF38BEBDA4D8721B3D3F6
arm64—Download961053D96BF33839B3D85F2CF4F9CE9000BD887CC764771F0B0B90267C7C4D08
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download4C5BE2E635D7985CDC70FB0486E45E15F914F0771B0B4CA0A63D71F0C9CB2D5F
x64—DownloadBC3826B21F799A477646AAF3E17B1DEC50C45098EF86A131F825BED63C961FAA
arm64—Download1A12FF089F540611148D2062F3C2005A7D391C42F6FF98465F667FC4E42CE9ED
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadA7458A141E66BA89B06348D4AF04F16DA99B9E743D823B682A22F8CA0F687CD5
x64—DownloadFE46C766ED01FFE19FE2BC50505B442037544D9DCB0613F6C47D53D7AA0905D7
arm64—Download997EE4B7183394F8ED6EA97FBC3D216468A0773C0847C5D8B427571065B5132C
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download0D56F7E18029CCC78509A38C606345592AC0815B467A8632D350FCC085DE0896
x64—Download4DB4B21D3B5B14EF17AE502E697A7E5F19532EFB22206A5D8BE59590C4F208BA
arm64—Download15282019451C5DED3CFCE64BF8BB51204A6E024DA477BEEA7815219FD859535D
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadEFAD71DF82B7DD817EEB395AD2BCC35D897701E234AD58BA9BFE95E4B9EF4DB1
x64—Download07A32ECEC79676A3353BE3A7BBB30F3CF53E70324FEF895992E05C34270D8039
arm64—DownloadB8AD52169D90A1CABCBA5074C924094A1D91AE26AD2B3A99D6256E042B4FBD3B
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download4E59245D014C1C0EB49A8AAA9B0BB4B5038D003960041EE7F12DF3FB9687E245
x64—Download1FE25C592E0F3D28DF11074C22A296D6FEA5CE5128BCA86972A1760D7BFA4573
arm64—Download04FA242EA4BB13A4E81D6896BB54DCA5872BB5243ED1E16844C1CC417561B380
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download690143D5E50A0CB0DD0083AAC7304D5C2F49A1488BAC92EB13EC3989DD12A761
x64—DownloadE6ACC18FAF8F2D64E7E06BECD7E59B3E1716E20766D52F3CF4B69751B19FA4B4
arm64—Download046D00BFBEF11D16188D53460FF1A512E5D35FED4F756A5CA99A47AA1F7C57E0
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadDA8EA10A48DC3F84F05D5DF0D396A531D1ACB8594ABC72977A76C98B1476354A
x64—Download058E3B360097A31B52C885C6CB026ED30C343FE0A6FF732D66E1349C0966BB02
arm64—DownloadF2A82D6A5BF61CB6B012E15EEEE85DBD74E39AFB392D0591470ECC4A56C3A8ED
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download8935B6524ACFDB39534D012742AB3FD00FDA1ECD5B748FD46C6E936DE3E7D6C4
x64—Download29EFF80040EAEF6F94B6BAB531A22B1EA6429998A8739931D1F1FA1CB75A71FE
arm64—Download5C6A7F42D77B37D196E92E08E15B6C67C8108602DD7E49FE3E17092EBCF06937
128.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadD7CEC255BE8D38C8DCF46E4D2CDE5DB2EE695009D8227089BD72813BA2EEF472
x64—Download6D65BCF1EFE20A2192CFCB61EF848661EC4DCC9A6D552D582107510C82DCCD06
arm64—Download6F4A98B805F5D47F8C35C909AC9D814B58A6007B30539A3F8DE8FF228B477E25
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download4E2E12E01A978EAED84504F7ADAFA2D6FAC1C345DE0C8103384BEB6F01BC0F67
x64—DownloadD5ECC0399C3EA24B2B4A9FA72056D5D536BA1AED60B93F6CA16D724203A6BC53
arm64—Download488AB6AA3510F4C01BA2FAD1E2CCCF536912BA394146EDCC324905EF7B9B1273
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadCD78C7A2020291A7C9228F9102290A7CF8F019DB207F8C560FE1C49B4559AFA8
x64—Download6517AE69F184E6B59D95B6CE43FF592F1CE6EE266CEFCB1E90567A8D6E973FE6
arm64—Download99EF342F20B35C1470B268B4A7889538EBDCB161FA71A8AF6A1B75478125ECB0
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download6A18A121F1080219F493C5725C507C6BECEACC71297996B9BD461C288CB05170
x64—Download59BDB598D529FB2D194A0144EF8F6DD786275F5F315A7B738385D2DD1CC76EDD
arm64—DownloadDA264D0B0E8AB421749FFB88BB2F66B4FCC7A8A059FD6F248D9B2B39EDC97D2B
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadBCA78646C4E1858162D0EE1B78D70C5F587FC19893F5A048BEF85E665B5082A0
x64—Download33CD4E9E366BD1F3B97072B57E77D41A151B4E54BE36F0EC95F2995632A03910
arm64—DownloadBA71EE7CDFA4E675614C7511029D780E48EF0EDF2CC5B533D2B01908B60FB9B0
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadDEAA7B50CBADE24AE0EBA519D4073D99A277B497D6DFDD7EE5A1DD17F522C927
x64—Download4E1C8F7EB89C0BCA8E43DF1E62D8068E1C3788EE5201EEB7310BB3E0A551AB64
arm64—DownloadFFF0C6AD3C8AA6F2351860D4CA92E3A826EE4FA155D85AE762440FC9558F7FE9
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download92FAC5392065472EF23B13E4D205BF7D8111252FC1B494A572449D2C672999A6
x64—Download6436A1EFFD58112FD9EAB2ABA67A0D7EC4D80562E97AD22AC303C4B7220D8790
arm64—DownloadCAAB1747C2DA576CDD488553B2E6E21DE1C702F2E96989395DFC12DAC16C89AF
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download5CCCCAC8442B7EE52A7802DBD382DE08ADB77B6FC0ACC70704614E7DFA1268AC
x64—DownloadBCE09AF5E47B132ED952774DFE4548F0E4F32B55112B8C72C915147438444C58
arm64—DownloadE8B085A86662E30680E5EABA5B110219B30C345CF448F58C60EADC266F9EBEDD
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download4CD476FF2E1233094C1B8A47EF5095D9817826AF3B4B2341E50802E6EAB88D09
x64—Download25CFB28D61E55B3636E093391D0B25361AD8051CF729F91FF76AC27650FADADA
arm64—Download10265A9E17438F9C80874879454D91C4338C6E4D7A78B17D16351938674F0B6D
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadA86B06D7840F8683B8B03D6D6118DD6EE86B9A579521602CBCD24D5E9982986E
x64—Download7A43158310918F3CE2010C7B36EE9E1415DCB4C1E60D55C4A1FD61B1FB47068E
arm64—Download3AF1ECDB7D7A0E6D741AC4FBEBBE7DD7F954FA8D8C850A99B2B05ABF0BB6F0FD
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download4DC3E4B7403964B354ED58B67BD92BE9E7C0E93FF00A42BC20EE943EAFD9FB78
x64—DownloadCD207ECC42B1DC132BF906D8BF9420D9E5E05BB5B055F7DEAF32C77C012A2BB2
arm64—Download642D118BB2837998078CC5DB246CABC9DDABFA2C95D5B8C622D9A981D05157A2
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download8151EAAF932D470EAA3D737306114F3125857730CE54DFD72D2C8ED514ACE4A6
x64—Download203841A3C6F4B2CBD537509DCFD9A4A34A6C0135FA5AED02F4B7CDCCCA7F1474
arm64—Download7CD0E31928F5568BF98C1AD1F0DFE39FFABD96D3557384810F3F04B5AF217C38
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download0C5D2D862E4CD19EF54A2486ADBAF66B3685BA728B247BC88FE7007770A2CBE5
x64—Download7881893D639D59BD44843ABE5FA00B74B7BAF370686A0A88D56D9F4DA2425DCE
arm64—Download97EF0999F57BCAF4E82E737CD3A9EDF88F872DDFFB3E6AD8FBC36E5E18643505
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download34F7F0AF2D96E093D789D80848B44A5565E8CEEEDD6949D72FF0872605ABC5E2
x64—Download5CC492117D03D6BD1CCDAC39C149C5B708FA513C665B70A9666FB163FD9CC809
arm64—Download176B72F1B64A6771001001DD2303F83778A44FF6712B083B84792639F963F2C3
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadFFC697D71645F69E0F5F9F50FC59FF2528E73AD3FB400562386F823E253FA0C5
x64—DownloadE3B30990C47D52F16C018F3147FFB1CF2E01A693A959B920673C9BCABFCDE3F7
arm64—DownloadBEB9E5207B557B30CC367B3F54BAA79BACF9877D06514A5BDF8C7091DA9A3DCF
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download05F70D62EA0DFBC0F1D395D1D857FD3F18B1C0AEEABD94019C75491ABE76477A
x64—DownloadA1E0D39A6F3118787AC628A7BEA236260EF64D9C0AFFB908582A97902CE2AA5E
arm64—DownloadCE694F900329ACD79A18B62041E1CBA8989BE376565127BC26C1B74C063A48FE
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download1C1269566704AD4D39B887BEEC5CD53D63AA7B807BDAD02C19B6690A70231FB6
x64—Download4CF8C77549A50A6F8D0E313FCFC4BEDD0DAB9FA5F5F47C172ECDDC62A1BF0BC6
arm64—Download829AA8C14516A11E1434651316DBE1677160F8D930179FE57CC3DC0F1D38731B
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadA1DEA9F7B2680A3BD7589AC2D3397099A3F0D6FA15191A05F1AB6F26A04B69AB
x64—Download38C010F7011C3CA403C39C5C82B1AA8C1BA761AC2FC35D08EA817B6998B4D2ED
arm64—Download6B6BBA4F5FFB7F86EE4B8322AD0CBDB0682B62E06F5F9FF52664056CA5FF8A28
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download9347855ACC3FF6A1E548FD5B5AB7EE50B8E5795B3E3731C889612CB49A90EF6D
x64—DownloadD5085502FB701894097AC6AC8D0151C32EA5367DD87A8A37EAEB3537FA4E0896
arm64—DownloadE916BABE907B443E76371062DA67E729D77A4B2AF47D37CF102A10D488C3917F
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download5266B3517E70D71969710385FBF2146EC5EBBE77284C2EC13A2E952A4BCF7D1A
x64—Download22BE02C50AD3AC3F99CB313CB7624270BDB162FD0FD5B4ED50653C1DC0D31901
arm64—Download9EEE65781ED680807E3C4239EBF3EAC8B596B092738593620F629E3809B07330
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadAC0561AB3DAF7521F5F0629892E4A7BF86E7A6181B8649578165CC5675C1D85B
x64—DownloadF45B79FB5E667DBAAB005D8F294D14FEDAFF72D7C0FE7B09A251B4D543C7CFF6
arm64—Download1B1922623B99700A6BA23F04643F2BD7BD452854CAC3C711B2C2684EAD184145
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download9D14C62FAAB0107F4E336C8649B37F494319BD57D7DB2C38F94F77205E62E4EB
x64—Download93D507B6EE5E2391B7A34D8197A747B27216FB2483EB9BF570F18F9441FBB1F3
arm64—Download9B3B4FD432B7815CB452ED269F00A685DE05D26E84DE9C8E229F8D3264C11EFC
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download9A227F1DA51F6B183AE647A9E2BB94378AEC2B1906E09DFADB54838B4ACF8891
x64—Download71F0D6D720DA78CFDE833573ECD82A39A380F2F10D52A2FBA9D1C4B465573AC2
arm64—DownloadCA949C3AA7D7633D5ABE8E69F3EBADFED259A22DD1629074FFAD92EA1F491BEC
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download121EB4CF70C2B1AAD1A432D5263AA9BA5196D31E6B3E4307CACEF63D7E5824E1
x64—Download601F8D68EA9BDFBF6F8D40BDAFB27ED049E40294AE1E5C91EF9475DB4C05AD33
arm64—Download472B9FC947CA0F7F5D951271163B48473490E6B7634A351BDBD53977A74034A7