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

Mozilla Firefox ESR (fur)

Mozilla·Mozilla.Firefox.ESR.fur

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

winget install --id Mozilla.Firefox.ESR.fur --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—Download638A1B1E830C9A29834DB50472D485BE7D5886305BC4F7D83FF60A1EB6BA44BE
x64—Download0F5342141D8509DB728C10C2F23535B88B79F2D239D04E25B8121731AD5F015D
arm64—DownloadA2B368374E43AC007CB6430588FA9F9317C094AEEDD60A73C6B1F99C8438FB4F

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—Download902AEADA7E2BD3F96ACEEC6FAE7215F7EFB6F34E72803C77A1FDD40F74E761CD
x64—Download2DD77F8C45FF4579EC4C30E09A33F04197A454F684679DF332729BF813102CAB
arm64—DownloadB449FCE328ADAE7C079FC2387E1A17F95A9064AD7B05345855681D0064084FE2
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download0EEDB4999CB4FE4C8830025F6707BF7BFBAC8A56C3B6882D569536D5F6D0E80A
x64—DownloadB15684191239C945EB5BBDE145339DD499F7251E9E42CACFC55F0825D4CC0BE4
arm64—Download41C9355E9C24B5A506C82A460BC4574E4E911850BD9BE2CC87E011DF2691C4D4
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadCE7FB0448BFD1E7EE1EB72B42282DE3773412DC119723A1757151A23FB50F9FF
x64—Download6E0F4FDDC01CE0A090A1534CA903AAF954B621980090F0FD200B1EAF22C2DC74
arm64—DownloadC9C968D148D2ECF943A3430382B5976D06B7892DAF61E243E889852F4502F6EE
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download7A259CA2E88E1583A81571766FB02385ED16B9DFC1AFB52D5EA22D27984DD860
x64—DownloadEC0A4DD314F5AB5D721893723C17E6C1EE1662B8BC7FCF6FEA9BF00FD98FBFBE
arm64—DownloadDAA0F73373045653AF255D94B2EB4A416AB27D3B84107BA9A1397F1F8B62496C
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadD99A67A2FA9A1B1E2B4EBD8BA6ABC7B6BB82437CD0DB3923A1F4A16DD673C35F
x64—DownloadD83557A14BB5E4AB2F9B58ECDD9C23CE31A645F1766EF0E5A1CF45732F892B37
arm64—Download60AEBFB9EBB54345199A8625E54203A7B09BFE2BAB440D90F79193D97F438C1A
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download76FC3793B3B082D0DEB0C2505FE039BB4DB85BC1AC63F4750631FA67E0C74C12
x64—DownloadC06B27DD4620B52B531A3312248E0FAEC15AE6C397EF968BED60893768BFD1EB
arm64—DownloadFA6BCBA73E29D7B3CE269E24E74342E7B6B7BCB68C0E6A02E5A35D778F53F333
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download874EF36BA08264C88111FB0E137D1D7D585667EC4B7FBD3508274E020B19358A
x64—DownloadB55E71BBE7FED7DCA2193787AD848080F38ED30EB9C21C3C6D50BB03C73A8165
arm64—Download2097F78ACDC9A1BE299F71F316B93D51BE590B57EC5B4843C06AE42A866DA3C2
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadB4C1EB0EA2A4566FF820F24E2E84531C503BA67BBA45E3A1AD278A73BEB7765F
x64—Download54E740B407D01F2E8924206675F2EB4061D987C3E4779AECFB173063A7D65091
arm64—Download4A649373263CB6EAF31CB75220B7DAEF4F5F94FC3CEDC13872642AB53E2CE596
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadE3022988B7E3EA8EA7B6F11FEDB72D62EDF12616F1153FA50771370952FEFA49
x64—DownloadCA28F3530BF0EF24EBC061DED4661964E3985A243C451CEAF194610C6A956968
arm64—Download4BBD465E8B258672ADC3F509EE020B999D0186AD57D478BC09022AD82CCBFB61
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadEB5FB2F5DE94AF41FFD60C79D44FABF2A86722D5E70BE7B2D972BA3ED27F9AB6
x64—Download80C9882C258725DB39F8894E48E3CEC799D8C4C4934506068C8766D710121BEC
arm64—Download02648AE7212B90F389FECBAAA74EA492D64C2E44AE70959E9BBF3948C3B80B3F
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadF3591017659526EDE47FE7BAC0C7DD30F2FA8F8DE9A088D2F6623301A59B817D
x64—Download20144C165D14F419F03DDA75D1D49421464FC6E828EE2F9A54C3152966DF88E8
arm64—Download1D72F40D991F15E43AAA592A145B81E4AD6DD3798D2D8C6737724EB547EE23BD
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadD88D6F0C406A2FF29AB688EFF23D247975A9506F315EAD47ADF85DFCEE3CB545
x64—DownloadFF6DC5DE4BAE81C79CFBC3C83F25D518C5FB5CDDD26C2371DFD6EEF105821EE1
arm64—Download6F256FD153D6BA83482F4CD4D4A09A923BAF15E30E45C6C66A05E4D291C55A60
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download1FD4AC8633D52A72EF44E852FADD9CAF751082096C1E7C641F78CD2A0EE4E067
x64—DownloadA3BB3BA47F6A5C68E912086D25FFA53D89B6B7F32520591760EA0E0D752BAA02
arm64—Download4DA1C84F763C45E2223D17587BCAD2424C160576D01B44CFA09F616DB761D809
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download5297696FCE9EE505195BE56D08B885B6B126FE763CCB0492E39E075D291C2E77
x64—Download47BF062981990BE0265C6AAF61E35A6BC303CF3873880A56A308E7C2037888EE
arm64—DownloadA2790B9F02117F23B7072C1A5462B8FB646A63DF9B529261F8F59718BB8A4904
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download17A1ACEE57FE168FFE0690D0C2AE475301B284CDC9A63D044F0AD607E119BFA2
x64—DownloadEA52A3AD7BFCF66F53F9A08EE40420486D39FC2D6D975D1AF02519D4423696EA
arm64—Download12F10221876D91E70C29776D8FB835FC594DAA366C1DDB5BB3108B304C93C073
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download8567FED87ECE41C2014B2ED563E915D0124D3E73130F769116286F40E19229F8
x64—Download6B618578F67CAD2101A8B9D6B2A5AB8393D9B01973CD2FA30E855149EF97DABC
arm64—DownloadA3BCAADDC5675A70890970157618CBAC80986CA596624FDD3466F5F0757BACFC
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadC134D1326587E051FAE7A0B23356F0D52353B7CFD2120CEB22B6BA0BEE2F1CCB
x64—Download0ABBA4AA082293F2903B22B3A4AED22BF79F990FA0B4BB21FA5B8A6967069A67
arm64—DownloadD91ED759423DE53646CED422EE39D196D4D8DCC864A68C94A8A4966EBA2216A3
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download2E4EE8818FCADE060E621110EBE0BFAC497FC166C269C197DA3239AC8BF3BBF0
x64—Download5704F53BAD34510FA0CDC3EB3D8F99FCD7871EB97BD3998229ECF786F20BBE8D
arm64—Download6CCEE82E66A64288D845CC6EA8623260F3E9A464D99ADA84B57BB6863F905985
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadB710FABA1ECDA9D67E90931506ADB1F6A9DE9D5F408A635699EA23ADB274DE69
x64—Download55DC1FF407AD6FABFF0A10EAA91D6BAB1A8F9B7BAA0B28814B91CAA4A58F61B7
arm64—Download192DEA7609EE5464ACD35895019544236F348702D89652E6C2C278675A00F427
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadEEF791B4DEBE09A2431676695A2B837149C25051B32C322FB8AC9030AEA641AB
x64—DownloadCCA105FBAD72269E30A106DE81E50481402A7B741D0C9D3906E34C825062D60C
arm64—Download6FB577F1349236BEB79DA1DD2B0AC0F1AE823ABF1A799FC24C7A91B3C4348A2F
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadAEF649774C7E4DB05BD271216A6CD93A5525F894C7DEE7256383FF25B453D0CF
x64—Download6DB60BC4B04555482812C075B06817451B6D482961BD60ACDB0C05CC7C1A70BA
arm64—Download0CA6BE56DDA012C1DD1AE51EC5FA440F8BCEACDE979C44F63157BB71A351C446
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadF2279EFC8DFD6C79467639F4C4B632FA57380223B55A280FF1FADDF5C7B28B3E
x64—Download6C7312EBAD5B81EA063A06BAF29DB89F5E6E4C215D4F189820855641BAF05B89
arm64—DownloadC5445F366E0238F956AABBCDE643BA11E8B95B0EC74DC915C479E6C93DDCD4A4
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download4D104CEAE39FBA972114F65E73314AB674EC7EFCE04354E34C9BFB48807DE341
x64—Download75716A8F7027A4C3F411D8072413BDA5948C817D87339BD8CD17DE4BD2BCC280
arm64—Download0EE0843538FDFA0038F8F1E51D847F441BAFD8FAE5F05DABCEF7C940067CFB2C
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download51467634C0EC5082F4F56F34B065E9657040F457F8179C29110B838834D70FD1
x64—Download6A0DF34F3965684F2D8BFA4FEBA2323C91DB0B8867AA83A3B405DC63C3C34F2F
arm64—DownloadB758FC4CF13BF7C577F8F19BF515C12CB6750A59E33ECAC8CA213F0E3C4B5BF3
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download4A278E9288D4D2F0BE44437931E680B6F521F0A9037E11234A2F1E4880AB9A47
x64—Download9A7969A96B59A5264F93FCEF65E7970BBB788170AF04C5051A8CA04616045FF7
arm64—DownloadA4FFF86D6599051732B3F3B34B0B272C3EA609EDF849C5CC98DDF165EEE3D301
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadA6AA96409AD931191311797BCEA89FA780004247A2F6256514E2B1FC589BEF22
x64—DownloadF913FADBAE0B1E3656DBB11E383F729B0BB03BC4CD2F4072BC05FDFF1BEF32D6
arm64—DownloadB41D554A55391F6CC27DEEDA70258494A2A7B31D316E0289CBA591C224E21A0B
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadCCB43CC79C8AAE94587689E2AF33A627519E55004FFD3A7BEC988D2455B8F434
x64—Download97B50147F5802685C023C1E6362A359B36D6D6909F9344BADDB6416D4919233F
arm64—DownloadDA3C543E616C48DA48D5C642E4CC12545F4899D74CC3DE7B3C6040A725EF6176
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download1CD02BC3334EB2AD30C52C69F11CB3703EC109D82F504C8D65D5416DCB1B8F29
x64—DownloadEF65682F817387F68675131D87550690B5FA0365672355EB477F86312737EB43
arm64—Download642E9C83FA4C9F9ECD0EE5FD2707ED596EFDDB09ED2F0C8EAA3743E4E6919F49
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download3FA1C662C4F32495A5214B0FCD43E2D502C93BEE5333A95C317FDFE309E8644F
x64—DownloadBE09E2E5B70E69E6DFDF04004964831EB424910AB133680B19F0B887809707D7
arm64—DownloadB44B3FC3707882B9BF6B663133D42425F68E638E733254D1B9968620E3A7DFD7
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadC26E2421000F4E6A23E57250A747D2EF65BB100CC9B729A4CCE8D0E9520F37CA
x64—Download08601C7BE0232BAC3590209BFE3753289B2B0E828344954B9543268DC4543CAB
arm64—DownloadC667C9BF19338D4844E665857C167D9F4EFDEE479C9FC780DDC3456BEAE15542
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download53133D0584B00B80E0FBEA412E889F1D0AEAC0ADBDBADFF91AF2E3A79187B93E
x64—DownloadBC8330AC798A5651E22436AC22B1C450A43914D3B8410065861DF83C7BD29FB9
arm64—Download5B4E6F0A3EC1E22B39185BF3039566CAE73208FF07389DAE97BB527EA12E310D
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download19303CBE3C8B45043BB2392F4ABBF9C694621888999C2615A24D2C25FEFF7CF6
x64—DownloadDBB763CA4086A527A4F92C65CDD6F751CE515F97DD81D62406DADFB0199FF1B5
arm64—Download2BEC98399C25C4E4B6DD4C826A7F18F899702597A220925645ECEF8BD1F3633B
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download47B7ED850FE40147F1F6F397C79193225A2276B375CBC2B79FC72A6E42DD1C40
x64—DownloadF4AEE59AF4EA01AC82241740B12F2C7B55769A3D96F563A38B5B5285D7B73A53
arm64—DownloadCCB8DA89EFEC0A8F66AD1D167D9C2200DE236711D6FE3AB9EE45F28300C99E4C
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadB8692AF41A264D81B4F9151A25646E49F31DCF6FEDDAC3F13B0814772F21E2A8
x64—DownloadB8074AAC6E087FF8BA95D0AA85ECEF732B138B01CB86EF8C7983DCF1A89ED47A
arm64—Download8FD3DE3C25C758D4F9296156A6C305DBE3AE354D9EAB3A1F66945FD2009FACC8
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadAB49A0F72B325EF856A5252F58BB98BE58F14CF333A329F94E22B6B6E9E94DC0
x64—Download2AAAB86F47F512860ACF2D2F9E1AA6E6DEAB969C9E338C9275AC7A097E863483
arm64—DownloadB01F5782F491A53BF1FE4596B7C67072D176B5016117D088FCE9B51349DCCCE9
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadDBC56C1088C8573955E607FACD03DCB40AA464CD55FCF2E223BC9A0AD77B75F2
x64—Download644D50B09BF4FE4F89E013F8F05D9AC14BB8FFC9F6A27AE6AB1843CFE53870A4
arm64—DownloadBA326873339254A68756CDD2B28E05360A5240D8CBE0A94B9049237C45CCDC9E
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download649EF8CAC754BB07974F93A3204F13CA9AE6D9208CCADBC40EB53B7A33625205
x64—Download6BC1533F21C29B2520609103C10C9A2FD3DFB258C58D1C53B703FBAEF999D872
arm64—Download265C143D506ADC465F690FA60D1B68B2BBDB0F48A626E92FD9F1EBB5A9739CA3
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download5BE19AFEC79BE571AE7D25F6D2730DCDCE57E691C99EABF1BE66E0C359A1C005
x64—DownloadC60A92DEB722EDDC33C4932854BCCB050F57853C887078F662DC812026392D7F
arm64—DownloadFF7108267BF1E2DC230E4FEB9AC0CD48A7F1864D179B4CB3FDC28335A84ABAE0
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download1EA65012F58F946C3BD534F2DCA5D72D486F49585D94433D7B9F20AEA02BBB9F
x64—Download5BBFFA8A55BFE4EE76655AD526B570415E3C60F454C1001991D750A6BA51F01D
arm64—Download6669406B8499EA795D810FC89448F0B50384CD31629CAEEF2EDDCC38C1C13BF8
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download9FFC6F83577EC64E98AB63AB76FCB888E837496D13E5A5F2CE252988651BF861
x64—Download042102D5EA76902E8CEDABD3521B2EB2EFB01C1E7F76B1D8B4118BCDB26C0387
arm64—DownloadBF82A3A7976A0D6F32014CB1D9FE8A0D7EB7FE152C70489122BB0C3C3D742374
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download973D019BC02F211F07BA53ED1FBC9A9C7A64E3E0B9B8BD66B033F26A2CB5CB51
x64—Download1CA3D5E5A0DD5CD797BB8BC07F193120B292EA572212F75856341EF5263C43AF
arm64—DownloadD33AD05D891E3D01352972B4D9349A9A4B2F4A0AF6F6467778BD6AB4FAEECB21