Tuesday, 14 July 2026 @ 16:01 UTC~5913,430150,826

Mozilla Firefox ESR (kn)

Mozilla·Mozilla.Firefox.ESR.kn

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

winget install --id Mozilla.Firefox.ESR.kn --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—Download6F612FB06D9461DE74DE5E383AD6605694788809E863DE73FAEA9E242658CCD2
x64—Download6F2B97F5522476D21E387DA0D8290C2B5E181F53CC3EEEF568F8F7FC24FA4AE2
arm64—DownloadA1F2DE4A9E12E960DD602C61E04652F7E7CC3B259A67EA4529B74EEF714A913A

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—Download481858E7826BDE06F1A94CD253F346038643909BCD4337318F8FEEE786100016
x64—Download7703A7B076222F72AFDFA266D7B9366236C4E9174EA8F25F08174E38696BA957
arm64—DownloadE816A8B7081083D8ED64D63F6A01D1BF395971580644D27E9CC47DDDB6E010E5
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download536F24B6BB77B8C2DBE661424BAF1C1051EF044083D046B82B5CEF4979844190
x64—Download8302CB56E64C43EAEF9D5471D5FD4F7D0F9041843792CB81953DDBE69FA6D07B
arm64—Download3D142CD4FCEB116209072863A5013BF7BA5470C5B1AA8C536FCE861926E82ED6
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download7245304340E06F0A7E1778040285F9B45D288E81188DCB4D31112DC2A68572F7
x64—DownloadC9E96735DBF040515C341BFDE45464E98352DF17CF59100C2566E3CCAAA11726
arm64—Download5E4618D213BBAB55E44D3045DBB4046A8584B3A26A8FF7F0F6CD5F1536CD0171
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadEA2C0FF26394E4521304E1FDE6F61239E4E4E627E069DD2FF20CD4F98DEE37F7
x64—DownloadE6615AE3689CA960635A13E4CE2F4C3F54DA1F512B81D99C5D4647162528603B
arm64—Download4FF3E2D1F038B0C8B8F3D3FD38223FDAFF24B8CD432B1031415062D988E30C29
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadE4517870A29B1867746837E68EB3D237755242D4F84B9F167D7EC30EEFB60220
x64—Download6594BDD6114070817E117FE90FB4CAF5F1CCBB58665BE74FB7AF30432E8AA0D7
arm64—Download857EDC5CBB7B6D7B69C170AE28930EBD4FE32A5558AAF75E2284E8D051C992A5
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadFF80EAE9DB57B4C7D0729CB85F07D450137FBD1BD227612F3449B4342D8C9C41
x64—Download38977B47E331C2F7A6CE425CCF04ACA1A226621E4533E85912A2966B21742FF4
arm64—DownloadEF58BAC5FE8AA175613248DECEB27892A923B4875F49AE0E69DCCDCEE4323ACB
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download04BF233E2426A65897EC6236117F1591821C84422E903761432E9D1952DAD6A7
x64—Download7209BDC2E6BCEE2974095309737CA57E9F8EDE3A3C5F652F3DCA5005679C19F0
arm64—Download4D7602B38C87036B22DBC7232D65DA5F137752A39CE1594A3B71BBE4BA3A5E70
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download8BB7C79303438602F8F7FE3C777A89E004E1316CCF9A2F8355CEA8141F794B3E
x64—Download08B6A6606F9B18ABAC121C8A54D72D155B1196BEE86E91904D69D76BFD9C63C5
arm64—Download841BD9352D1881670774E2A8FDE5751C7856BC381196927C8BC7F43188223F22
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download7304A776ACFF467EBACE349394C0EE1235D66BE015EE4C999614A2D2276C527C
x64—Download77CB7612A9A69723FF0998F0E55B27460A6E46AEEC032E2E51C8733B31227B4A
arm64—Download150E190A354C025616C7006F65D2C6CD331ACC36761825AB0ED8C0558E088568
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadFE94A61835020E11D0ADB1431E30E4A6B5D4D385E5F70293A79F7DF4E0F6AF7C
x64—Download763161E9E9BE219F5E972006FB73A3F7BE0F86BF9DE489490A54B66CBF3E1091
arm64—Download64DC5630063168D243CAF40E68514960CED7FCB748EF8BA9808A6A6B3BC9C3D7
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadAC0AA7B5A316B206F6B9EC4E766B831D58721FC8B0DD947FF88B16F71F4C092D
x64—Download2BA94E3A0B9E76FE26F520B3BC56B5D9E98DB24FBAFD7454E83EE5561C32E505
arm64—DownloadB0524BE341E3212C8EBE991B532120265C18C3BB6B53086F114F3829F82A2FD4
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download4B371C4F507CB36B65429C58F860CF602034CD8738240840A61034E0C22D2F1B
x64—DownloadB588EF7AD0C280302410DB86CCD01EEBFC4715615A985FFAAA115333AFFECD35
arm64—Download5F46F764BB4F4097EE7E4C2C8D8B3238B7752F7C34982F9B98D9B8F95DEC3BC5
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadCD20FF9B44E8E58CF49A4CCDB49C26022C41FD0E7B4766C40C1188531721CEFB
x64—DownloadE055601F5924D8564DD2421FC1D7DA51BB79B8352097A30D7B85F3C049541CC9
arm64—DownloadEEFCF83FBE2EA7F54E28B64CB1A734BE5F590C72F2792180BCD8A2E15D1F9ED9
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadBEC0825193627DEB4FFACF358DEA0F14F98A1BE949547D92B3878E5CA31721E5
x64—Download97D45F9E5AD29AAE8C01914B97DA098B5479F85D1C61B5BC9C910514E9DA2F98
arm64—Download7995A006BFA16EB13522ABF9C8A77F5ABCF8FD85F12A89A1B317A5791F072B99
128.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadA8717140FE79CE4FF47EFFA5FEE87551E7110B0DF09D1874AC10751082E5C5BF
x64—Download260F3EDDEAD2117D19F0467268D180B09F1AD3AF895E083CBEE05EF3930D7714
arm64—Download55CD12ED4DF669F0D1BE15C0DCE82C3BDF09B9C0B311F7E112C367AE14C23330
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download63F6784FF3069930B40B8DBB2A392C5C9D5CFB0D5CAA1D205668230191AD2D17
x64—DownloadD49610AD6567AFDED3B1ABB74C275C22C0F90E4E9A7928BE6CAD63E1E7AF3AD5
arm64—Download6932717AB2C157804EA498B3407BA8C28323F9752667868CECBDA54AAA12CFB4
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download1AF4003299682CAFF581BCA75C855532DEDDA7A40D25410814E4233D36D4C0DD
x64—Download70884E3E36D723CA4178F0C7081CF97B9C3D1A5ED43557FF405070FA9E3E96D1
arm64—Download65F10240FD488FFD88311BB0B0F1F8F08B1A71BE6E1DDD9901B8E872D3AAD884
128.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadB6F666E365E45724152D42E5882B5AC2A5CF5063A9941C3E1A9028B3AE022B59
x64—DownloadEF9E4FA3011AB2706ADA642371770974BAD3E006A6D61C17510D8F29C7119E35
arm64—DownloadD718C85733F57CC60372939D68763DA1470EF8E2A3C7CB5BDAECBF906F3D845D
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadF4E005B6290DC03B23F35EA3787FD6F38B996A61D013C26106A5EDF514210E54
x64—Download4FA4174F4DC8D185539548424B94BE9F080BB5F5C8BA87E0E7D24C19025A15D3
arm64—DownloadF6593A948A8523302275725292C925BF68CCC901DBAD30D2B7EF572116B37FE6
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download710158C8F3FCF7D64DEC976CA37928CEC8636EAF829F8146D76D8676DC2ABF15
x64—Download14C700222B912F9251F11BAC8EAF696D7211014ADBD5B17EFB4FF3B3385648B5
arm64—DownloadB664AE0672C7C2C07A19CA13A3BCA3BB9F0499D27F863348228C9F2B2FED3827
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download3C387A96C295085DC88CE5BF2A900AB130BD8166DF1C5B90D9B2CBD1E203BB2D
x64—DownloadDE8709382D411D0CBB93F6F2E1256E79A3312BC43F7D6D0BF280529298480F9D
arm64—Download51022AD478DDD3D0DCE7DC15CCBA590A0BC9F6B77C9DFF2752A69C8951CC14FB
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadABA92BBD61470247253B91B1CAAB71FC666D0A0053D50BA958B49A94600F21CD
x64—DownloadCD329DCB5D400CBF90D901C84B22B56DD109393F2338C2469D7044BBB2ED523D
arm64—DownloadE53A0E85B2A900BD2D58321E9C884348787387CFF66C4DE13DC34FE3205B7F22
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadC6694A7C285BC1B0C684DDB7B9351DA0C80592EE2F4B9E0FF4A5CE7A0522E249
x64—DownloadD487E42E09AE5E81F804B9E37D2B27B6238DBF6D94D1A4CC0C64B67B1278BBE5
arm64—Download09A3C339B8C5C08BDDCCEF4D779ECB6FDB4735572A4DD11523D221B0F4031196
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download125CAA8FFDB64F66E90AD2A6D2D41738E6D5F8250801AF28E52C1D154C123AAC
x64—DownloadF7FF63D839E82E6DB80BDE2D9FB6817DEF619C943A019A07E996AE2F12EE7AFE
arm64—DownloadCEAFA399E9A4ABB6D870C7F46ED9083839E4ECD6073B49C51AAE95AC717015AC
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download5F773E5A942640122BED8C2FDEFBB21260AB46F41C335E7A56FB7BAA5DD65A24
x64—DownloadF066FC171A7D09DD3B64CDC03B8D987B5DEE6915AFB03EC06280AA505134124B
arm64—DownloadEBBDD6C09509C0C578CFC32E72ABD9FDB2FE3DBF8E770941F25FD0D37B3D57DD
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download21A8C9452396CD3E659A9040DF6ABF48F7BAFDFD3FE07461247C72BEBEB59A06
x64—DownloadC7ADA9A7A54B4295BE47C6950BD7F09B3E3D66A6B16E56AD7162DC5395898026
arm64—Download74D2666ECD3D46716F7B2E1757DA9BA51DB3529158CD0329A3D7A3B6F9E6302B
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download180219FD670FAD4126C5E4F6DE1EE0E0A037E1A6A4D43353E81F323159B0EB25
x64—Download5A877A9FB4663EA9142910819E131DA1ED32F27B8E010C2D141CB5E4C58698A8
arm64—Download65746DF4609D4284ABD088DA5B4BDA9DC3140E4A3A9060EA071773EEF9B764E3
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadA73F0AB0F294F34DA8534D7ED9DE6B69F3450BE76A57B992C3B2034559AFBF78
x64—Download3E8BCA236B001769151101C5CF19CDC08D787373A1F9FFD105E74547638F2BAA
arm64—DownloadFE63E65DAF5AD6AD23D5764B5D4C6F6668D1E88FBFA4E3CFE0F93A4F0A150BEC
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download5B238350795F1C2A846246A52036D4F6F381661BEF85807D05761BB4035E8118
x64—Download5F983AC856DB33B4B60D9E56521F53BF9F8E4B8627516AC89DD54060F49B14C4
arm64—DownloadEC4A1CA247BC0FD8C17E24848F8841C12A0D4AC6F394A6482937E1CDA524EB43
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download54958EE58EDDA7B017F29C4C69077C1A1E97E75CC5FBC568C56846E0708A8534
x64—DownloadA54B80E69881481FEA88CAD2CE1542DB7583A4E606A6CDDD2FFDBA739B13C70F
arm64—DownloadAC2F028772DB27EFE9B2A49C0DB4AFDA46C7C67464159811C642E19A1EF08986
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download4E456C80B71DB52B8FAA25E66960DC334222A723BB6557687095F82BEB9FF08B
x64—DownloadCDF4E2B1A1BFFB2A709308AED294A48F2B305B86E9A4231AD3F7207239A0B428
arm64—DownloadB2C273B51836C2D642348B094383F7BA0CDEF25D2E76AC23104F452F1750CABE
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadF354D607E0F05E46DF09BE11C2ADBF874E3634C125F983CEA22236542AAC8E73
x64—Download052ADBB632A0BF3CFEFC5BEA80B68FF021AFDF2E46EB32B8A41860FE0174FCB9
arm64—DownloadC66E37D6B67AB6AE3FB148D3D712DE18CA91971243BE576BAABDCA5C7CB96BF0
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download0A3A5FE4D58375A50F7402268E6BA78256366BD61CE11C60FFC0E94D2EA097BB
x64—Download5E107280FFD3F7FCF1CBD251E913574068523B5F918D5A486B5843D3D2B831B7
arm64—Download8BE9725CA33F044748D960895AB32F45C38B1C37D34BF799BD724E3E9F1EFA7E
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download1CC30D8D2E94F16A386191DB1BA8F38D95F97C82832F41A1E6E0DD1C862C8896
x64—Download86AF22F4FAF4E2256D6176AA2037790BD003CAA00D2DF3C1AB2129A7873A8445
arm64—Download52CFC79F78CDCB06CA3C29D1E04BEE1053AE7D398215E0B443602F9442B4B44F
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD7074D5C5C1EDCCFF728E3D084CA6F135ACF63B583BF92AC2EDF863FBFAD010B
x64—DownloadC8A79DE315E8865FA1F9E3C2EED8C75A1416C42BCB5B097495E18ECCA6708811
arm64—DownloadEABBA127F3FEFA87537909CFE692C7D6BB99C21F1CE86589C34AF99D6744ABD0
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download94439DF4CFD560F0606910868402AABFAD4EE60CFE82CD232CA617938188E186
x64—DownloadF82C45734C215B851816931753D6058B2E8930E7DBBD0AD158D58CA4E0F0DB8A
arm64—DownloadBE0F5B9B59F601E9436F973463090D60DAE8A0B39EB5DED7DF88317C03C1272A
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download01F99D75A37DDC2CBC2A1F6A753EDC1C5E2D9BC5B8C71A7678299F57C13B7A06
x64—DownloadA0611171EED6E1A64D42DA218D20AC18597FE1432BB546178A5DE1FE9E312F2A
arm64—DownloadCDA4E1DEC774C4E4D0828BF688A4839D826E2556BA235F26E353B05E179FA4B1
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadCA3044588995E189DC208F4AF5FC7AF23F40FF2545E523D6C7BE6B12775A16F0
x64—DownloadA9157E1B0031B46CEFBBA161F51570CF685151DEF881A552F5C167B8C87BD1B0
arm64—DownloadB2F1A1E431508D2BA6775CC44899164E27DB745D68CF6954C9C5479D2E456A47
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download021CECC150AC157EA378300C158399988CE79102B4C74844F58BB529915100A0
x64—Download5761A44F908F49932F5A5AF684EEACDE556556698E2E0E772BB0CDA030030525
arm64—Download1D1054B63B2553B7D0A8A10081D388093E449FDC33035FDE038A5819131CCF87
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download510E93ECEE1CE0DBCE39D059325CFFAB0289AA7A3D1BFE813AC870B0548EC7A9
x64—Download9037B15B5B7E5107A845C8E782E730F108D11405EEB8DA09B2CF00DC701A1FAD
arm64—Download3409ADF88FACAB5C90E7861493EFF20D71D6472EABA5B876252E151C162FCD2A
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadFB0CCB1D7EFEFB5C48009FB06A9EC2C02D4B5D0A2F7B2FD7C7BAD63DAD08B9A7
x64—Download1F470D3956364828E1F4CD7AA5C30CA27A157AC3DA55056D3974D12FB200FD05
arm64—Download37759CD6D75AE57FFCA1824BF39DA45FAF8482F0EA217B220D5396E95B934F74