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

Mozilla Firefox ESR (trs)

Mozilla·Mozilla.Firefox.ESR.trs

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

winget install --id Mozilla.Firefox.ESR.trs --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—Download8C565675846A51A3C5018CF1088F451120AB81821D784CED4A9FBDF7250028C3
x64—Download97C273BD114C2BAD660B1C1030240FA5AC389656D2DF0DAC4F2D87D0D323D3F1
arm64—DownloadC57F88DF0DA2074F79D6F1D07A20A3C6A9EF2A8D090AE99C171B835AFB068995

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—Download122732FE1EF84E50511C5642866A318EEC7D78DA995B98D1C7C7C09CBD86D828
x64—Download8A22617BA60B64B32BE27F93CFE1F51A16927D36970C36F7EEF1B2A5BF3A5557
arm64—DownloadA1B1DED9DAA9502218F262DE896DF90030A85AAF042F74E89E5F979A122705CE
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadF6215C0BE5552ECD9F5CADD0012D0A76B1BD3477ADF5A43A39786D4A5B6E8009
x64—Download739766CCED31F668F92F52C0CB0351CEC18E0975CDE709F43089172C47DB0752
arm64—Download43877A607167110A9E633BC81E5AC4920C95A6CD0D3EB17BEEB686C47D8D0B5F
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadC6D13C586961872F6188D82BCB7016B3A96F03966F7EF49CFF9179E7265099EA
x64—Download47AB33114DFB49693C8EBB8A5DDA3E8CA363B5743AB828E75C463D2F9C4055E0
arm64—Download509C255357812FEF8A4C993EE7DFE98A4396BD5E753D563B20EA43105638DBB9
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download3411D4B1490F0F41C0F64B8FB80722E8A75963BDC8C2C2CE970FD51B62401192
x64—Download59B8E2713DFCB68BE863BE395CED857EE1445229E418D912AB5A985A5CB2D315
arm64—DownloadE8D05015115418AC10D2AA013D26BF839CC5812E1F09C72285534CFC13429F1E
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download5A999FB6114B16A5E11F769000670A492B0BDCAC3C35B0F6DC7FBA23D9DCAB74
x64—Download400A0650D115311A2828854A6CE3988DA4921118752EA90DC35942B6466FBD7E
arm64—Download51D9BE69AFFD2D3F0C29D6ACF23896C5F98E5EBEB6D7DC20218AFA41D711FF89
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download49600CD9E93CB169FC3DD1D0D58DC719ECC2E69B278DDC199A1B9C5EBABFB84B
x64—Download1A1BDCFA0D03C1253FC8C67E0AA8856E1171AA38069991AB361820CFE99E93C4
arm64—DownloadD89CC53CFC30D37C7A62C9A186BA9405D08609A1C5B5A7F35E4AA5E1C7760689
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download3BD2750ECB86F845B3A1CA2E97257E1E5A18B068058EBD1729E5BD5801FA295E
x64—DownloadE30F8D7CEFC0B2E5337DA59D3795EC97E358703CF10FCB7B49702B6C5BB2B7E7
arm64—Download83FBA0AF97DE4C182CAD045A91DCC6EEC011659F66852A69C656A887201F3414
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadDB56FFA11239259729F081284D82511F7A780D2E098D722B9463EAEAE9233A21
x64—Download9D8C0EEF8B32B88E07FF8546366D525A052227CD65DAE8AA6F4CE40719C0D0FB
arm64—DownloadEAF4D275D53B33AE4A71554BAF08BC642622F96BBDD883099E891783A23F8977
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadD8603272F0C4CD6485FA30C3D0C780A1F71CE4F00B2001855BA65176BE2FE69B
x64—Download3E8EBBC5FF805B0B4B506370AA89217127F72BE48FAFDC472EE1EA487FB033FA
arm64—Download7E598B1964F3339D60789CEE593F3E652721E3A19DF1A2ACE35E1F8A444BFE55
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download9C377141A7C107CA393B533E47591C85D5B43C0AFE5B0DF93A6D9022AC362E5D
x64—Download73CCE9A8AE31D2B7B5FF496726ACA3E91A2753B10A91D897386D09B301FE85FD
arm64—Download6BB95D0F1746378A1C0D8C43C9E3007AB19C98FF07CD7350D44A9CA411F36D4D
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download8B464B218F6E9B92E278156971A181CA2542A80A3A7B948656A2DCE9F628ABA4
x64—DownloadFC3BB4448665F4F617122958829051477FE4152C5719D6A6A8AC08F02E99A1CE
arm64—DownloadC97FFC025C32F3DA4BE56AD75420D0A008B751F4C77CDF91814F878618A2A617
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadF37836B8C4D76863ABA0899B2E1AC0EA8094BAB75A505B914B775AD0551865DA
x64—Download055DE05C9B431B93B34748F20BE44F660F6DACD236623E42BF0F72120577DB3A
arm64—Download75D246B899D046B0EAC923B3F684EDD9858A3CC2930A4A1427692AA6EAADF334
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download0CAEFEE826C83841D9086FD12BC0932CFC92742FE14E23D3927F1ED6B7A893EB
x64—Download61F2588B30CB77455E4B841BF0F5D909343BA1BE6801AE096F81A10E7679B7A0
arm64—Download1B6C1A71F0DD744F2826A0FA5989C82E6DE1AC9807B9F31FEB3FC7C63D65D471
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download5E1F3FF2189F3CDABB5C0AFCD1E3F9FFE1A1C206357BDE1E9304ABCCB4F31BB1
x64—Download645622838DDECBBFF265CE927A361098D92ED6CCA36A79FBEEB90A34284C9B30
arm64—Download9655DBA814A62E8A40A9A3B8E5DF35F85921588676D1D0DC4C6B4B12A27588FF
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadE7AEC6004E30B9D5D8DB7C6F47368A0031EB4E20C4AED424F983E8206C3F6CB0
x64—Download1F90578B8800FBCCBD12113C4F76D624B52F54109C9D3C76C545D4BA532AA774
arm64—Download4C11413D6B046DD47DA9E9730691FB4F80BA115FADBA8F80FF4B436BC19805F2
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadCB40AD9E9B984D45149B25722182350FE64869E931E2960CA4465D51125C5FAB
x64—Download68B449E8B8F81018B0C12364E5B27799A8B23BF7CAE7947BABD206A8EC1E51B1
arm64—Download0D3A9AC98877EECA7DB7A207BC57AD70DE15B048C520ED1970C10A3E660F0C0D
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download91E95741A58A0EDDCD1A69E51925E0595E365EA1F34DE708A7EDD9F8B403A2DD
x64—Download8D1DC1AFE568685E78D0C49706D4E0C5F8DC6B801D41483EFDF827CA6650ED46
arm64—Download13029A654DA3E6853852C34D8F0E58B8BD768078A6DE9B40C0979BD501E6ABAD
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download6E065D5BF80343D8C9DD7A0604799C89A1379B1770EFAB44B8E7895B9ED6FACC
x64—Download3DFCCAAA5585B22185D178D103DB8E7BE4ECA1223A8ECBE51C17C468CE0709F9
arm64—DownloadC751DF189BCA5B6F5B3603AAA9BA4B39DDF9C6F18094F7813741618FDBA2E41E
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadAD412DA5617F10F49D5B54D57FFE049B533DF38733EDE9E04D3D306F6A6A5012
x64—Download0B6A56D6982133783337D7D1B9A7EDC3BDFEED05BABC58417B5A6467A252906F
arm64—Download4F71AF2AD45A5EDA29A68B0FCB400F3E2B24EFADDA8563B1069EB69D2E365D74
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download85BB3BAFA92BA4F98EDD02FDCD71F164694857CBB4BFEADB124B7CFA1459219B
x64—DownloadD65DC98576D021E86043D945557EB387187D43C07B48AE9FAD1BD4E17D7B77FA
arm64—DownloadE5EDE92AADCD9F76B6D54EA7ADFB753E1B73B71B69668F98789130F8E138CBCF
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download2783442EA87FA1D022126FEBC6A3EA65451BB8BAEFD42A7B7BE00839A3A5562E
x64—Download9E3E8D9774855FA00DDC30B844F2F05060B87343DC4E581B229C3E7037849E52
arm64—DownloadACB43CD9D5C9D3B9772B4353BFD799C3A8D647923A2518696F9514D27FF8D5CA
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download38A40D8767BA515A6BB6310F58AE1E73CEFA3FB136F93FBF02A7203428CCB6E2
x64—DownloadAE689D76945F5B9F979FBBF252C3EDBEE9C95CF575BF39316157C827FED0B75F
arm64—Download8D13F4D81404DCACF535AA2023BDB911730EFC7DB14E5FD4C831AF7D17D2A007
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadBDEF572CD9B485BC2DE1918EA85AEDB94D08D47AA48F415E17DB9705A1BF8A8F
x64—DownloadFE227027C46205B3B11B8AC35EBBE80CC32A6E18D059DB698F1E6A9CC7FF8C06
arm64—Download5F2247B3D97FB5FB60138FF4B10E4BF1510E1FD210835D4026D308B2625EB00C
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadD72920C9FF0473EF6C72353DBA0DE818E56CA2F3A5233DB3334BC389C369E3B5
x64—Download0CA6FD046A2F2D9ECE954BEBA053D30222705E99B89B1759CAFF237CA04DBFA5
arm64—Download041214308915831868B41A248A280172AC5039E6FD1759996BD87F8BEC4B8925
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download6D203E805E01DE4AC014F148CAA3443C6F0715C05CB67BC4DC33A52808B1F374
x64—Download0D891E1C76A76F304F775C8E23CAC424A4D5F299EFD7DB73D4FF7411BFC4108D
arm64—DownloadF4C4FAEB140FE23E31E127000D40B42901A1B7639CD88845D183ACD1FC5AEA88
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download15036AE6D4836BD93D98ADDE4C9073088E7C83F305CF810C81C288BC17D23219
x64—DownloadFDAD1D9D1635BD2358C876CFD5F58951A4901DFD8DEB5093BEE35FD435372EB5
arm64—Download373B64B97D46362DFB7A0F11B9433C0310221F58BDD6F8DC99A26BD31711665F
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadBE0A2ED7F751B9DFCF71001FD50C61BE7D2B4A9FF96DFAB02BB9833BDB72508C
x64—Download3F0644FBC60B33EFA188549B5DEC981C00755080D7D99729C5F69A8A0420854F
arm64—Download389344B28132B5304E85AC362E0CE7B9531ACAE28CEEF775A0C9E606B104EEFF
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download73B404383B6B9AB70BEFED6F27DB5DA0B5E08A8323348EA95814F117F982C739
x64—Download39B326E44227660CB243D8F2495B3642ACFC82E5BBB5958A6ED8223760A31BF2
arm64—DownloadCA50F910DA9FCA5DB98F04F0EB4E38B290ABE3719862BE8652850FAB1E9985BE
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadA9851EB56DAF648C37DD8AC51FB1D6C91001E83BBE20EF4383CF55220CE75924
x64—Download8CC89BCD36BD890BBA54F8331DF1713C7922920F8A4072788A67ED092CAE8EA3
arm64—Download1476F66615C65883AEB5893A318705F6BC51C5A935C12824C866EE3054BAFA59
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download2F1379E180E2BF1052EDEFF15CE791116EB51A19A8FACC7928FF41C4CD770C35
x64—DownloadBE029DA99AD1429F32E5CA0B6BE8443D36F1FA8D4075292625587FC683248EE5
arm64—DownloadCC7737CD2F3B33A57F15A37D68DA48585553FE89298A9280B827CE52FAF65540
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download06DFBAEE6BCC25DD6716A7EB6D14DC4A1FEBCFD31FDC0628F72C794ED046D99D
x64—DownloadCC83E5EE6EE0CA36ADBE6EEB48925F9A0066D64E0B55BD06597F539E488CE997
arm64—DownloadCB57BFEECEB615F9B85AB833D26DAAA9EFE5202B26DC3A29CA3A83B23E53F529
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadD085C9157396E9853B5094BB2AECF18704A2B8E95AE1777AFCC48165D0FAF73C
x64—Download407982B3461FA09A42C3109A27002FF0CB0BB99B259939284C8578ED2AFECB50
arm64—Download391202C374E781148D48023D7008DEC5BB4745E8B2AF786AAA85D82575EC23D3
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadC4F7A39E29273993EFA0848EF6F6B4129FF9D4CA30BBBA076D50A6D8E0B030AE
x64—DownloadCACAD2F01D77A8366BA8A6DB0834BD9F7C886F28DA4E55262F005A9B07461D21
arm64—DownloadA125BA7DAF40D89179A4DB1309BE24D20C6E15C9219DA7F9EF7A8AC502236D1E
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download6E3E698327FEE4B560ED4B89318113A58E9D6424780C5DD486B0244A70E51AC2
x64—Download6599017A48DB2404791E470206CBD304CC1D0CB29B3D7134952A8D99A8F46E8B
arm64—Download5F68543AACB8BEADA3093569F2174C87B40205B1DC605BC9658FBD31A6A8F8C2
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadCF9BD7DA254EE3E6EBC62725E2F1EAEF29C0F04CE161016991E70E06FDF45E65
x64—Download69AF9A49963DC2D065F97C4F8ED913AE85364A0EED1423E7EDC5515B84B8F49D
arm64—Download0EC31E7EFFB5EAE6230655CB0E2FFB6D092A7D2D35E16BBBAC49D862FEFF0408
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadDDFB2FA74ACA7AE34FB6ACEF23AE4FE4C9B6CC15489697FCF5E1867EF3CC4B18
x64—Download9A19F320994C39A89BE5CCE120A036859AD178019178B6A5C73679E3F8C281F1
arm64—DownloadA9677F648E8FD81FC1974D2E5D3E9C80E47B1D48BC7D417B4EBE99286025075C
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download9329CABFB82E3A9F3420B4313E67D7B52D6F3D9B296CAF90355B24A4D64EFED3
x64—DownloadE3D365E7BD9619924DCE056C9FA85A96A7BEDE60253F85BD3AE22EE8A70FB0FD
arm64—Download6689467A414F5AE14A36FBFA266716C335FD8B5E1711D4BDD168EF10EF0C7135
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download2116FBF3F84C1D3C70AE3BE60098645C68A398FCDCAFFB467D7A3FB10C55F402
x64—DownloadCCFBD516300FC42C1CE2BC739F66502BFE6A937F957FA28D3341DE76DFB4F3A4
arm64—Download64074266A65BFFE4925BCC1FA860F44BDBBBD440705D765CE9D68941DC216AFC
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadCBF324D66CA563888C84E42B5296D8A2BCE50F355FAB1DAA6A183DC034663B84
x64—Download638442111730B09699386812387D83F9B34C9AE8FA8D2C439B44A677EF1E9BE8
arm64—DownloadE39C5A60635890B8631C78355EBEEB0D2397DD103C6AB2B3A8AC6501CBB49951
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadE2BB97BBB64885F5932057563B587DE4DADF7B20CC3E425990C795C43E97449B
x64—DownloadC38D24601B935273304D18FBA93F0F4E2494AA43FEFA1AC8805D823A6061E0E5
arm64—DownloadAAA67D6704D89B442AEB562F0314E04F32F3E0B411AFABB9F3340B8580B8AC24