Tuesday, 14 July 2026 @ 14:01 UTC~3313,430150,790

Mozilla Firefox ESR (MSIX)

Mozilla·Mozilla.Firefox.ESR.MSIX

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

winget install --id Mozilla.Firefox.ESR.MSIX --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: msix

ArchitectureScopeDownloadSHA256
x86—DownloadA968617D7AD03EEE1B87143BB1E7137C4914285289377DA33485837DBC42B66C
x64—Download55D719DC56D925CA5BF9BAB66327D42C7144BF8F5C3511A4A0FC83FB11470411
arm64—Download4AF4C8EF0345E6E20A759522D7F27C92369A4BB6E684A0A4EDB56F7A81E5D599

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—DownloadF0F896A1326A9DF3B3837D12EBA431F81A928540661906DA4220DE74CDEE314D
x64—DownloadF5CFE326A37FB368B4CC7909ADF2F49BB031B22EA8D078CD7F29C6BCDF776F67
arm64—Download64217F5A2DA299ADCF8031AF0CF0214E1ED3D09E333C702830B4BFF99FAD57D1
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadD108FCDC93288A2DCA06D90310E932CC2C3901F8EFD72027DE557BF5AFB5C323
x64—Download78141346527A45560FB622E6E989348838D172C1320A15780A6D113193695185
arm64—DownloadF592C507612BE00A534A980BAEEFD878CDFA1E054B5FA93E549A8FD1452345AD
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download9FBB794B2095FB6680D7BE66CD3077E7070C5FFD562CB77FC8BCBEB1429585AA
x64—Download80BA1E405EC66FA10EA84ED42C467D8B5251F876878D41A1371004BE2991CAA4
arm64—Download7E1FEFEF892EA5839D69A64782EF93D430CDE5122E2C5D6FAD98D26B32ABBF89
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadAD2E59BE90A62613D7387E8A94BB0D981AC084C5AA7E64F9B5F567A71AA76E39
x64—DownloadD4795187FBA7F56B973A66EE2A7CEA469031FF5B00FE4A9AC0C0953BFABEBCC3
arm64—Download7FE51C5975AEE24E84049F5D2E01017DB707429CC33558951D16853146D4B651
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download531165B1D28786C0AA253684ED4AA73231CAA2AA00E1C4E5517A92F1F5200EE4
x64—Download95B36B669980F633B1DE1F04AB78A82FC0DDB5C9D7872C518D74A4976EBD2189
arm64—DownloadEF2CC7EAE383D92F71309282063094890D30EABCBB93F828F02128C922DCAFAC
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download7DA7162323E90B25E99D9F49912FEA97EEE8AE13B3F50E557F6749A6A7DE390C
x64—Download820CEAEE596E93CCB5F7049CCD3E334985F9695FB82BF7E5D70CF68087EDE1DB
arm64—DownloadDC3B9CD6CAB1DFF65B178E2A713360343FFA1E859D18ED54B7871467861C85F0
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download613FBB6148AD68C75786FCAFB3BF798A59A83553CF39B5F04DE8D06B9B66FC6C
x64—Download0E4917568181FDCA0CE1D6C5B820C8E6CF4A6EACD336A1A95E530890696A6DF0
arm64—Download2472279CD6A1939AE383A5200F3BE237B0073432C88EBCBEE955DA82334089D6
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download55B1D45A11E436BE4A8AB8D8F3CD842AA8657D90E7E662B9A1DE0F609209F201
x64—DownloadAEAA8F9C43F0D0BCDF460687E7B83EF0FDC02F1CE6FB2F7567B8104DDB828F58
arm64—DownloadB504498168B3CFFF259359A159D3C3AE31F06F2BF3849663B1754688A5C10B8E
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadCCE101ADEF5C8D79B9BA597E189E12D272054FF25E7123D8BFA4951DC764915E
x64—Download7472757EB751D984D45C1715E27DEAE69632BD586FCF405082100C7DC338059C
arm64—Download07A6C228ECAE63ACE23BE792B52B18C8531A4FC994B7DE8DB28AC261AE974239
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadC66DBEE2B82A30FFB207672364A6E90310FAB285410E3DA9AA8AD64ACB8D6B96
x64—DownloadB1BD40AB94EB487FDC566A9B0ACFB040BA9154FBCC99FE0704A2681E10BCE196
arm64—Download03D8FDB2E7D8A6671A881955E1A8C3A4112FBC2F54B8B15092BB7F463C9F6550
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE55410F7AC94E7B5D68238A203B964DB73FABCCF9C30E46AD4B03F851A83D6B0
x64—Download1AC472AFE7B2F14C22F18A24B22DDB285500C84FCF3EBE498759CAF223D0E3C7
arm64—Download7B6A5F9EC3FDE071430D53FEEDB5D71645AEA89533270BE0B4168AC0C57CAC41
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadDA2263BFE7EAD5DC059C2F6497108C2FD53CF737AECA89FCD7C7C87763780906
x64—Download8646E40F193D8914075BEDB5C9FA3B8779FEEE43AAF06C2EC62552E346366DF6
arm64—DownloadCBF4C2CB41FC58153344EB46E14B200BF4D333EE9C432FC19FB56166FDC42598
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download93B9FBE83C329031C61CC5E5DF0F6DB6B7583206AC2E93A424C0D5A8BC70B493
x64—Download6A923717C0049EC305C620B52D2B008F4D137CEA8D5A9D104E99128D58FED87A
arm64—DownloadF066FE6862B8024CFD49A5ADEDEAC7AB90B163C5A5D3B1CC8741CD09951221C2
128.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadBCF6578278E9777C8FCF15922D8A07181718B5A1CE14D9D3F8768C20DF439C84
x64—Download0C84DF07AB55A32D9A460AF5A3EDB0F8E67603D38523E7E10C67DE2FDDB28984
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download3593DF1EE5F30BB28E1D16B6E7E4140C4C982F3CD621B57A78E7B135B8958C96
x64—Download04F18C3A201BA8461E88B18AD195755BD9014E857C5FED5E55136D42B3A8543D
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadF5701B262CBD6C0A23BC8B0126BD5BEB3BE25027CEFDFB077AD1154D39DDADB9
x64—Download438DA2BFDBE0961B5CECA78814FF98AE3CE8233F4FD315CDEAD3D3813B2CD33E
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download3C0CEDDB88E1366509D93C675311288185E32054B5767325420ED2FCD8D26EB8
x64—DownloadC1132D5E611B7FC469F198E9328D8384675B23F93BEF5594CCF42B6929B2DB92
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download862D53818A7A6C406CAD401AC482BA69B1E05215C191C82C6B39F1B3803DBB98
x64—Download6E817C9C7C53A645BCECBF71519B7DBF62315229A7FFCA1FFD0E71D8D84C4C67
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download975CD2263E337A5C678CA129DA87767E777350109B570B3F25565B844C33C4DB
x64—Download143EA8F7C4933D6DBE0B7A569CC3B449B2889C523B97FA0EF1EAEEEF38011909
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download9B8EFF2FA3574923C18E4F74B98F98731E8B333A23D4E5AE7D55FAF056042912
x64—Download598F2A2062261B43D085F1F5713D688AB18624A9EE65DC98CD0E8820CA7933DF
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadF472C74DBBD3516965701A88D07FB0E3C69D56C0FA27DBA84FFF70891A7E5EEB
x64—DownloadA7DE45331440F1F041EA733D1682ABCDC4C890351771919BE56B25CDF454CD7F
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download1CD459EF66C4FE84F4589AE0D6384FF894AE740C6ABD9B9CF7873C13D494CD5C
x64—Download632FC56139229F1620227151C3168C1B501E72670CDBCB1001E37F7BBE721582
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download9B11A49536BD95BC10B6AF4F3B2F92857638AA70F6FCACE1C2EE4B31369773C0
x64—DownloadED1B582C52FBA0A0006563334167D4954F4F40C83A5DD8FF51279EE5418BAA67
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadD89008E995265E2D2C4BAE2444CF6890AF19E201807930EAB2BC2D02A20250A8
x64—Download39D88651D4E11E62BA0EDAF24FDE41BC13056E2787AFF9D28F16856A712F0ED6
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadD1B9BDD8407306AB0DAD0E5CF4B205B2059A6A5B8BADF7440008A0A8902F000E
x64—Download691A5F651813E5B4986F2235D213C20F9EC2FA36C2B4463FC05E86569570119C
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadB840CDE1925A8AACA7AF8683AA64A3A34E0DE9AF9C05C09C74C969E45DDFBD6B
x64—Download558A26EF4DAFB0749A915D5423051F77593D4446815C5995F6454A4E4E43B19F
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download9AE1C9BFA945814D02854BADC86DC10909BBC750C5A951C05857CD07CC536C6A
x64—DownloadD08E83C46B71AD8F08AE25D6284126AEE42DE6FBD09E1E5F08F888BD53DB0FF6
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadAB2A7FA7938AC8369B6AC84C5A8889C09D8BD10122AC0B2AACEE27D070768E0E
x64—Download6C8ADAA9A501E03C0FECAE6180C8D5106F0D67846BF9CA8F5D9BA0B0EEDE4B70
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download60FA864C78B773834A4692221DB14003A5E1F1AC0D5DCE177195D90AF1157BCB
x64—DownloadAEAE3869A67042260A9BA62F54FB2627D9343D329055438D8C94D15A461B4B16
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadC2860B5950F649B17AE309E8BB721315271C623A8E84C223CF20FC67CF64CC03
x64—Download6967C1777BE1FC67569D5AC1816270BA5AE1D8A9E25DF1AAF8D6B187819C7C13
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download2963239981951FCDE8455E980AF5A761E8D7A85111E0CDD5FCB314DBF03F6A01
x64—Download911EE7D3BF9FCFE494739850FF8FDDD852AED9383C954D0687824CA0E3FBDB29
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download8A5D6B7CA3E8C2CAEE5C15A1FF6CFFA05670F2B77B0E32563C00F7D9CD335BFF
x64—Download6CE9CF77300F66277BE529960AD21F598998D38327A2A10A93B2121679501011
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download3645D1724516952ABFFA8C026D6B33AD9B18529F6CF186C096EE32271333B63B
x64—DownloadF6AD084200AD4C30407A4AD502B52FC77014659BE035BC8E860890E03FA1A61D
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download5E6017D3AFF6BF485818778934C029AB962EF18B856D3CB3D635A1C9BC0470F3
x64—Download3C85224E8B2D99BFB3D4B7F4D1465A09AF300CAC081ED5FBF14DDF30C48822F6
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download2715F633C4167E79411E2051FCF886F7DEE4AA874C53FEF3C1081C839D1F7A9F
x64—DownloadD2F0D0CC9F677F7D39FBB3ACFB6992B4413B6593BD5158895AA58728DF031FB5
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download858473D83A3D07C7294D10CA006503F4AD79093FE6CB0EA6C9187599ECF5ABE0
x64—DownloadF24FD61513ED1110EB8E5C5FE2AC21EB90BAFB99F7800287D02490A582EE0D9C
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download7464FEE36751CEB8DC164A47867BFFE292D936E886CDAF5FC0DB36F4CABFC4CA
x64—Download60EF63A9F6A0E0295D124DF121B79AD0895B1822BE66A087432FC623F254FA58
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadF28DD9D14BD82B8BB04F1B302B0AB150C396D3AC11337A855619CCD6773DFD41
x64—DownloadD6E9ABB0536B65698D0BA1056DE18D4C167BAFBF784E1E2A6BB7DFC11A41DB05
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download6496B930F0E31C7A108EBB3A40B44B7788C54E063F1EE0D0FAE0C82E84D183FC
x64—Download4CE4E2BB66FCFB8D648CDA35FE3FAC766817B87420EEC5F4BDCD5382500B4401
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download25A36732DBD6FD221A739C53D4BB3D6F3E1E216428D9FDDFFCCA3D026A252427
x64—Download15DFB20C689952B0CE340FF884C22741A3575FC6D69FE7E70E3A55551213EDC1