Tuesday, 14 July 2026 @ 11:01 UTC~2213,429150,744

Mozilla Firefox ESR (br)

Mozilla·Mozilla.Firefox.ESR.br

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

winget install --id Mozilla.Firefox.ESR.br --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—Download7BA10DB82D9859BD3029EA2BDDED00BCD7FF800CE2FE910DFAF134DA23201BCC
x64—Download5AC50175BF575B4C1B29104DF97B6B8C8262423B57AC7B2D396E43E52B7F0AB7
arm64—Download325423ACE6AA2A2A4ED6B8901BB952400823615EF26173D03F869F12E1000158

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—Download3E21E890C798BF5CDBB5F86B735FD053FFEE833A8F7977905079828EE99D0441
x64—DownloadEC6831ACA6F905F5E2A1105D5ABD94876D18DD6F0BAD9714E22EB302BBF60980
arm64—DownloadCC23C0D7599EE808A35266F7D16867C6729ED84A0793AB8A543386E1ABC1E6AA
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadE9ED4CF16060B5A193C6760F7B67BFDA51B104B5E4A38C3FC96801818056044B
x64—DownloadEAB0F5C1ACC2F7D05029242696F679861E8AD1A1315BEBEB208F9F0FAADBA3C9
arm64—Download89F840E8938C14C0E18C18F7B6C0DE54E73C2E8A4515C97605F23AF9A26F4E86
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download31FA45CD76B53FB5D5BCD0CAF99021CB3838F59EE8810FEBC2473629D46B4299
x64—Download7B8B12E8BD61776ABE59D8C03CC48C643A091058B4ABE29B99E15392EDD841EB
arm64—Download974499061F8E775ECA108D12C2892D9E4A2D8CFE093D4EEB84E30FF1D8AC765E
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download96E719AF618C6FC8B29BF0F8530D9469DB435F206A3E1D3DA36DBC04FF3B3E59
x64—DownloadCDE3DB4545CE90A4E62945D305FD1A0FCD770E40BB7DED9C9EF55B9565C9C0F8
arm64—Download0FF65C29030132D5A293F0E211C4B1E6B7B4CC8DE1BC79C2429158ED888D7B57
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadC232B426C5726C63F01B1E144A755E9B9EA0D1D90BBD2E53529F20BE0CB6BC38
x64—Download56E8DE33DBA426550ECA2B146E9A0C6C35A8A7E1C77D8DFED39D10CA0CB48B92
arm64—Download3C86115BD849D15128FCC28B1E01BC80EA98F5F0057304326A68FA43A260CA10
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download740B2D1E6C441B15681DA728A970CD451A0D7ACC918FF8CFDFE13648D3F6A740
x64—Download995C8CEBF7A70867A1CE33FCB3A794808E578B8B2243BDBBDD2448C59F9D2C28
arm64—Download67DBD8613CADD13DA48F4404801C1DA7424FACDF78460320C58F3F5AF5D1332B
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download33C94E3ECC0E397A23BF35672AE5251D3B4FE873B5D110D726BAD1218F7BCCAB
x64—DownloadCA600A293BE77869B7B8A89CB1CEB3FA957139729A1379FC1EBAF9538A64A4FD
arm64—DownloadE09041E346680659E7ED37288C398D1EFE770DFD87668A40631B4885695E9657
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download7B817E23F8332DA07D9668B77739686F368230DDF9CA9B38B0853CC2CC8A09F3
x64—Download01AA59011BD7FEECE3F09E91A785D5C576A5CC0880B7694E18E1375FF1E611ED
arm64—Download3C0C006E0AAF66C8D2031817A10440EBEEABC38AEC518F4349B3E3CADA01F61E
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download7C8B27756EA8A16D35C19C26C96F72868FE34FBFAFAFB17CC10C7EB858577479
x64—DownloadE7D2041A05D42E2C766AAFD53E3178E27217AF1F635B562C858C2F44E5B47EE9
arm64—DownloadA459C99309E518DD2E1EB4662A94943A6C10C0D3B04BC960BEF50022F802BECA
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download7F6FC658CEAA3ED252506B037002E86BA9657CBAE6E9DF2439F8A359516E7679
x64—Download95BB978CD368E3CE70846919D26FD5B2832EC8789DB9A229965CE44312A715E9
arm64—Download3AADC5CF2646D67B00A8DA655B46CB7ACF9F562D9E468482EFCDDF56310A4D0A
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download707F77B5C728F436F712F154FF76EEF8CBA22C510BF349CD0DD7CC3E27D2FD41
x64—Download6AA9D683F6D4F82CFA1005A1B500BDA7B417A2EA148C59E4A9C153AFFE8A98AD
arm64—Download07F20F79993B4D278E2E8FEB4769D75AE777BD7ADBEC69507F5D45413B94FA4A
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download50928EC0542CED2C4DEDCA95AB17BBE9D027A0931E2D741E634F2C94774C129B
x64—Download2FD26A49F986A93571019058FC407FF8FAC02BBAB20A03DFC8073472CFB116C2
arm64—Download2A3C3B61A31F814E4C9CD7F2FED8677E372952430DB9B9598DD7D706BF7CC631
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download0043D59444F1826B4F3A2811E66A8D80FCCF4271A08F68B4EF1FFF4A4C9288F2
x64—Download2ADBBE61B35B0DA1C39C2204066744BFA9567F4C51B411A73E26DA2375AF65D5
arm64—DownloadD8E348ABA333897ED52AF01389A64DFE6C5E59D61DD8AE01F9544FAFE84C80A6
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download910582BDE820A95A740110C94F1F7F9F1E79AAF70DEC9D6E608FEF024E84AA68
x64—Download374FE75A7A5895DC75531F727122D3D93AA46F2C7F4DA8A4DDFF531C31F1D909
arm64—DownloadF7A97E149C4D8BBECE6978DDA03B61F94281861D88508BFD82BF4BDBEF2CB398
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download81ABF0DFEFE7E32F37E40A6EEE7BE03C18EC4BB889506555CB8F259D2B69EE22
x64—Download3D0E6488D0A69BFA4C1F9E2D5DDB6D1D3FB92FD58179F48B1FCA9DADB3DCE703
arm64—Download845B1FA080DC3099EBD7BB4E02E1990B898465E9AD1632BB3A93BAB321F8331A
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadC6B16F279F2D4621FC349EBA3AA62F9A54EEEC021E7E881474521816DD85431D
x64—Download531EDED1ACF9EC638E33E3BB2DEED1B476A375A5BCBC31A590827DAAB9FD0F22
arm64—Download0574ECDB69ED41D507307D1ABCEB59132F952DD417F932170BFB78739167B861
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadBB4777C14E419E7CA7952A24371861AFCD523A3DE75625102FCD4B9E54345A2F
x64—Download223AD93B013AA90EE25BF146951B430A5A34FF39683A7C6EBE044A5E34367E31
arm64—Download85D070AA0486A5930FAF14CAB33DDB2B693E8B837F2B5815C1B0077C7213FF53
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download296166FB24717418CC5567AB5047864276E0F044EA4B0B6CD8D83584671A1446
x64—DownloadF879A781C76AF2867AB31373BCB57A258F32B5FA62BA9383CC088120E8EA83C0
arm64—DownloadE1DE745997DEB8F85543EAECD466D90A7906B0D0192162E6D5B94ABDE489C9AF
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadF767D9A501F1ED8A6ABAC9725EA37202EEB7C632397CEA3AF2EBB7AE2B6827E6
x64—DownloadC4E58B9E4E16E7C8D0AB6A2806C7C0AFDD9CA184BD1D04C8AD8986D5BCFE3157
arm64—DownloadB0CDFC5DA5489467F64570FC5E4D46C34B9931379C2B4FCC76E6026AE1DBE73D
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download78F97336CE55CFAD5169E390310D14B7D3376C7C4136985EEC6FE6237D612428
x64—DownloadBEEEE1597705EA80C284432D4763A33420E5A09A5CB40D4F512923BF160E29DF
arm64—Download713316B5BBDCA72D941BF7A34AA15932F4E88CB04646519E84FCD17E918DB6DE
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadCC8FC13BF2904E2658A08BFEDC2EB0210DCDA94E8A2CA72973A7C8766A81A4FA
x64—Download83706FE2D30825B83020A8F14E7028639E8BE4B91C4148BF6C83C8A5BDA70D01
arm64—Download2E3E4CA24314892F895A84EF157257BE5514A17279EF112CB8E86C5013084749
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download618BF83539C530F7EA8A9DCD02576FA553B48B51D09815C6937BD1951D75338A
x64—Download2A4E380A61BC683929FA2B527C1FEB5B4E126A0724813DB3D4E151B3077739EA
arm64—Download50AEE1D8887D252B690B65D68A04F76C69333F735BE88657FAD371D378AFE40F
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download3CE41B104B8731FD92FF55B35B26D641D2A9C2CA22E5BE4D8677508D70CB42B8
x64—Download789620D619CC9627B31FFD9F41EB53BC7D5E44A6E340E0EB62B991428E5BE33D
arm64—DownloadA9CB4C87A582919583C10E5EA7C2ED8EDEB68EC3FF9DFB71278437A802CC25B8
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download93329284ED92968B3AD1403A9C660624C6C2D3D04074CE5731D75045D778234A
x64—DownloadF8E296FC9C62E281575A7A7AD87C5544AFAF7BF9FA4F813901E5F4B9674B23E8
arm64—DownloadA955DFB5BA914A5188F00AF42AF8DC67E004FC65D371BBE0E92FD72CD3C467D8
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download3DC250BA9B8A261C35C24C5C0719FE21F4BF330B62D555B393BDA6B7B0F760C8
x64—Download9ED64A20B9C53DBD1CE60B80623A8DEC414192637B1A0DFF53C1A3A08EC240B2
arm64—DownloadF1AE5F2A7484046B32CBE4E72E3F7FC793012D3763261BECC90C36B577C0064E
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download5F0E70684BD46398C963A4ADCE2EF15712AE536FFBBD624643E2817A3728F71B
x64—Download98B111F81838ABE3C40CAAC33C71AE0BF45A15CBE2D5EEB3A41A176C99AB3360
arm64—Download934D833F6F1D081F82FA363C2CBDD7B0EB17EA7295D36281761B9C1B64F51C84
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadD72E1CEE1E2A0A2E6E317E42471EF9C0C03EBD7FC7EE7C07FB802D8B81674685
x64—Download1B706B54CEFE04D06B9FD9ECB5A458D8EE81632447192FA71EED433537C25E8D
arm64—Download3E267F1035CB7F9C1DB451AF51B2216CA29A832877B9B57DB56996D0BCBFD2FB
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download23C4C34F40B2FCF4E84DCDD08501A3A5E3863CE7D2B281CD7E8021BC80AE9C3C
x64—DownloadF44F804CB24DD2B5CABC2EADDFAED8D3E2433DB8D055FB6423B0C1BB4B82B33A
arm64—DownloadBE0ADAC62D3737AC5E21672E9018D1E95FBBD7814C2AD668047256B1FE6F2662
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download0EF76D8D5B42437F75B61FFD9093BE8FBDF09A4DF4CAC72679D5D3F0943450E0
x64—Download8BFF7C3C2207C5D5BE8D98AF19CA89E1702F740FD1D768FFE269BA656F1ABD21
arm64—Download6D46527DB3EF9836FBCDE5B1FEC2D79D525481E6EEC49DCC3F988E27022AF127
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download2D9C6F31E7DE10D8D720C7112DA44E411BCB2DBC03490A92D0554860A76B07A1
x64—Download6928902F82D6D1BF5D0637BCE75691C06E251BD8E50898786AF87F18E595D677
arm64—Download45166F311E40ED03D27B20E7783E0702A9ED97969A88F4576286017E8C054F6B
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download6FF01E48DB31828DA72E74C06F212B9A2F11C8E850E2190C2052D913A5EFD8F3
x64—DownloadD6F7EA639FFFE0D1F6BFBD30AD461AEBDC0C6DF11A589BAB3004E57D7235DD48
arm64—DownloadF8C6C98BFBFD1AC4D70A197C03CAAEFA1067F9EDA3EDE55D5C1D77F6B100045B
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download728AFD3ED5917A3F9AEBF944798032396F2299E70E19C26CD9D9EEA71C622BD8
x64—Download2991C3E0FE7E069BBB8E536F60153FC938152EDC4CE43E97035CB82564BFC53D
arm64—Download7E4C05EC86FF0FFC80C45EB7A954A56777AE85B4F775AB05782E70404AEF65B4
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadFEBAF77F3174E0B2FBAB6B694079A625F831D9A00218201746948FB7656F0428
x64—Download9F0894F4F41C04769BA144F76B781DD8CB6269348FF21879CD430DB031FD8725
arm64—Download92D0AE62ED937222C071901202FC434A3EE5EC275D94DA88E874069A4EBED4DC
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadB377F4E07D5B3AD00E4FE9D8990E42BA917387D5D4EC9512C9A2DA0B9778B4EA
x64—Download502D11EE8C77ED441E1DEE92DE4B697F0B61D6A11F4A6AC616C52E3AD5D8B294
arm64—Download5B40F74E456CE003E991C4E0213973DA6CE581616C82854E1AE7D7C8B6937E99
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download31968C972313804AA76B7CCFBCE83C04E19C1FF248A4977A8A9ADE5FB133FD0C
x64—Download1DEE81974B332C0212BBDC1EFDEC234E948F4FAF7DA097AA56C5C218C6F63936
arm64—DownloadD933866964CA1F56D4EA4DA17D4835C96F62EAD849EE7FE71D55573682FD525F
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download56C7F7BBAE6AC60D074A59CDF2853AA9BD2DAB22BAF0A505C47C92C690040129
x64—DownloadEAFBDF6684FE51B434CAE7CA492F379E9EE8707F396D1687B45F72D000610BE6
arm64—Download6616A179DA9819BED25AF98243EA2026042C34B11849A63A2F32B0FCF0B43854
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download956A126BEB3106B3ABB3ADFF28FE2C31F713AA6B9F31063F639CA95BC15F4262
x64—Download8E2C9C0FD635D291D4A1F52D19675D486306749811AB60B33785A19D70F05CDB
arm64—DownloadC4205BD83C5667D57A6D551C5B486F1D946DF32F332CFAAE1CA60E7C1C45ADFF
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadE36B5CAA2C446D72000F663F938AEABD0DAFB94A8AB14836A95CECCB373873DA
x64—Download278AF13A0678498A1ED1E0F7B3C9364BA3AF397D47D6197DE52626A5E28AB9F7
arm64—Download666BD49EAE288B9E3C9D2F916FD2DDD9270E7B1D1975C0D9DFEA6C6373E3FFFC
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadC0608225DC777D7A9AE683BC8BE209F41B8BAC260DAA96FBEE38CB5B648274BE
x64—Download4728FC08D1C6E40CAD350CC09EF3686534DE505A873B04D4C3324521A5A981F8
arm64—Download0FF4B1D4CC52F9328C79FDF076D17C743D9E7408EC45B5CD1253C36DA9D2AF3F
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadF192B79380E35D30ECA9D15D988A5519F4154E55103389AA7BEF3820F02258C6
x64—Download77F8250DDD213F5AF34E5914BC2D281BEFCFB38CD70DC50FF3B290479995406A
arm64—DownloadA49448A3D82ACE5E0CD1CA70B9BADF813DE69BC64874976D1D3F4247126D1583
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download6A65025FED49FE2A60F9EA4D221570819D0846994B782D1A0B61ADBC47AFAA1A
x64—DownloadC250663A27973F769472B71CCAE76E0B93D7C723A9141B44F0D7D31744A29AAE
arm64—DownloadB5E349931CFA069F570BF5D9F10DFA938363E639D6C172CC1545CFAFA477C3D9