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

Mozilla Firefox ESR (ach)

Mozilla·Mozilla.Firefox.ESR.ach

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

winget install --id Mozilla.Firefox.ESR.ach --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—DownloadFBCA1E220A096C91592B11770FEF7E691E9E69735F840146CDD2D3B993415612
x64—Download1A8D5EBDB696B9DB88C5D323AF01E2BEC0223F84A7E92683D3F3EA68EBBE24C9
arm64—Download6B31B22DC7902F473BAC0E0B5614D274196238BE2AC1326BE7C0D6222822840D

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—DownloadE1E36F9E1140D69660AC18C75BCB5250E82561829D991C49D8A7DD1629329A9E
x64—Download9AC0F83A8971882837746A18BDBAB2071134541914C5879A32E0A929835D98D2
arm64—Download146655BBC72FB51D3EB1B93E1D850026186D1DDA6504BFC9C4AE9E5C9079F106
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download2315214E6FF3496E64D95EDE8454BACEF6FD2AEDE44DB000EDAE4429C5E13D04
x64—Download475405C1DEE3DC913144A2D5132B15CD33EA95879893EE1FE46218024F2DE006
arm64—Download2D33FDD102C2B78323E90D2897A85739392E89F7B89552C244DCB4E15B4251AB
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download68BC2F6D26074A43B97FD0A75A9D9C0566DC1A910CE958143884A7A50776D23B
x64—Download75BF95015B7903C0028F3596A09491D4E035B71A9D9F2E113FEC838BCCAE9B96
arm64—Download53C3BF026C36F6C185D4BD37DFDCF38C0A2C163B3CEED83DDE87D51DB10BD04B
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download22D15F0F289AA8485DDD28DE952938ABD4DF2449B514C28313F561E9DA410D8E
x64—Download5C1921CB535021BFF8C6D850860C4B2E485720956F378F56A3E547EF3456E128
arm64—DownloadFFD27B38AD0F09904F99C07B2403ADEBA3EAF47893746A52362A1F6A3254AF6E
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download6CB17059322BC4390AA136378F7EDA244DD5AD6D679CC4EAA6BF4788458885CD
x64—Download6DA91131071B7459B236F15EDE17A9E61B42899841D3DB4AD92D78DEF26610A2
arm64—DownloadB0CF808A2793E6CC21DBB30A1E34B62642D8F33512395053E94ECA4D71A1587D
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadBCCBDD402D49AACB22BD4EDEAE08C41E28ACE0CD1A1C50F7904EA6EC17D48283
x64—Download6054003CB0F9DEE393FEA836EA4293F9FC6E418ED7BC26291DE7FF543B20EF99
arm64—Download1202D093DF978531BE2E6D8B5E6727E3E4EE93A6F5083EC16C87A770391FD4E6
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download3254BFC577261B2D9CFC9148BA1B388FDEE3F7E2A63A6E74BEE865FA86C91292
x64—DownloadE1A6B7D3D7B417E216CFC9CF6A2AAB3BB031447325B2AAF5FE72A36DE935F259
arm64—DownloadE6A89EC72012400393B2116BD25D16BB2E64068F9DA13D94CA4A13F380386492
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download5FE33CA00D2805EB8CF24263B38C34A5F0372479D1EF916843470CDD27DCE207
x64—Download96B15B2CF057F7748ED265F63EB65609B9756AD94467BB022201FD5A4E5AF164
arm64—Download500795203D4AF5403530632FC4739CC277BD3E74592BB08ACBC720AE804C03DA
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download7066F6A04B300E3B3785CAC57B7A8150DEE4A156C0A0CE632D12CDF9BB40E9FA
x64—Download1E0FE569A026989DA91A15F5436BC653B812A9C36533900D3639A12FCFA441A3
arm64—Download78676141741E3301E44300EC5E72769A7AB753C6B7C2373F2577F218B126FCBA
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadFBBB7C4E234D0C7D1631D2EC0A503309C9478D23DD58A0DC830B6C21C7149658
x64—Download874BB2BD53A348179EA3904583314F535962CF78518256D337910C69CD6D6E94
arm64—Download44713555D2E7BB47DDAD880E455F65416FE9C4DDAE6761BDEAA14CA9F1F247F0
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download9D2BBCFC7D87820F0BE7236F92D49D64D630963B7AEF69A6E81F28F826E66124
x64—Download982752FAA338349A661D4EA2DCD2036CE7E9B33F1F3DAE54CD949C2A11DF4BFD
arm64—DownloadE0602A788F38F1EC0A2EEBC85E046698A7484D56C348A293D673AB9DF4ECCA14
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download3F611396A86A813A52F1E4B825A3E901A14098C50DB96D144B430E4656B3378E
x64—DownloadD4FA881961CA57FBC3DA8206D2443082C34D5631E31592C1DE94256C0FEDE3DA
arm64—Download3B2DA5CAE84160F46052E51CCBE241DEA18BE8ECC7FF7775BB989625F0E024AF
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download214E6DD86532F7B83023059C3E704A7D5331BF3F066781644DC69D04390029C9
x64—Download45244D16A832E4E158C9E5FC0BA075E8211E44943508251142C1DD460D69FCCF
arm64—Download3674E888EB0FB848251B9DCC15DB816A6992F2F7F5B7540062BD54BB78976668
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadD0245F03F39C1EF3D4E3017440D288ADB915CD5FCA54A70AA588CC56696CC65B
x64—Download30CA0ED393F0A751733F6BC4F7CBF3C0A42A0A5A195BE4CB69EB5026AD9FB959
arm64—Download4F7B9A5C0BE80BA773B17AF605C72BC1B089AB187980C324FC4FFEDE009FD4AF
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download5485A399815E5377F1DE49BA905DD44EC2E4EE0EBC0B2B06CDFDA2ED9A0F259C
x64—DownloadA31B49F815C79D67D32E722187D947811B8DD83E594088554F5283D268321CC0
arm64—Download78F65FA3899095976C89C7CC986B65029693A863A0BD67E07535B6B01782BDB4
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download119D464E040C79B39F6999855924F48F0BD156BA511BDFE8F73A598B9BA3C7B7
x64—DownloadDE8FCE3F7F30EC7D444C6572A208C62AC51A09AF5479DD3B7F1011C15675325A
arm64—Download5A50DAA8E670E38337AFB974AEC0D974DCC2DA0EC9A1819BF2BDBF93DD8B6407
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download9BA428F1BC8EB5CABC10E531B6EFA40EFFF6DBF8A440941D16FC9892C8927D0F
x64—Download718751B157F87293AEC2112EB36D47E4B82C316ACBFF04923BFD4ADF5C7E1F92
arm64—Download6F588AF36CF6ACAEAE9DACF33321463F371F25E5D08351AC87E0B486168320E8
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download4814384D7D4C01B1F2ED6A35C880E32DC0FF0272002B88DE7D4D262F5D51ECDD
x64—Download60A9E7547CB14F75D6A86A87E6059EDD92F046CDD827C881AEEC350198972B3E
arm64—Download70833562F18C3DCB2E0B227B2C0D319B28B3D1CB917D7FB2026CE66CC407E78C
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadD9144610EB7901521C4D77A8D1209D492B3F264AFC699D63EFB97E642EB488F1
x64—DownloadEE3509488830490F9FAD25080D5C7CCD44C7F339E7EB5A4B3DFADF73993DB43F
arm64—Download99E99FFEBA21617A74102AAA85685B9305F743C443ADBB9909F526386CCD4C96
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download9833A6289B33CFCC68BE56A4206352A9669AF9333F55C431A94CAE9DA15CEECF
x64—Download6AEAFDF16BA3BBA72079C3C7462793D5C805BDEF0A716315E0D153C66986B507
arm64—DownloadD1608103937544A363661D712FFDA0509A355829FE51658F66EBAF99CE4E5D92
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadE45439E2A64E10FD2B0F887091A60C0BC4CA8461A5318210FE92E5BBE49C3490
x64—Download9DF393DE32A31F442DD4456C05932E2E9660512349932A8EC9E9F8D9B06F4377
arm64—DownloadE80BD3BFA6DB6F83AC14FFCA5EC82ED18718E430A3CCAFFF978CECAE36CEA546
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadCC6A2ECC29E141C632F8CCC31B9A5F758C3A5B50181EA1A01785C454DA23A2B5
x64—Download722431243A80EB5FA512B3157BEFE80628CE6AE6A3DCC61CFA1A427A9814660F
arm64—Download77967FC177A9FDEE6354468A7B4FC2BF33A0EAE9E48F6E614A4B18370D580705
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadD6A3919ABC826A59901C2055DFEAC19D1DB35CC04A867232400FCE270DD330C6
x64—Download6ED4C79DFF56721F8A95E9ADBC234C57E7661D95D22DDAB64C58B30CAE7B33B3
arm64—Download292D4772757EBC8366954ADD46DFECEBE575F06DB74DF1FA4768DD9751B9E807
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download480B40CE7E7947F308C381FD068525C80BD1D4ACAC904561B1CA32249D78EC66
x64—DownloadA3C6BB960DF9BC23B51218AD0D68231BEAF03F90EEBCA15282DBC690D5951650
arm64—Download76C95B9E0F6C15490BCD7251965D68A89864996CA981C471F1E475C5A6B25C10
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadB95F74916DA3EDEA20E88749B98505CED5C5023FACD85FB7CC1396607C9ED164
x64—Download7D3A38B9A937193D4751BCDB80303AA9196DE114F3E920684478C32C6C6C8BA0
arm64—Download980E0E2DD69260F1B5635DD22D70104C883C696193B7CDC6B2B82D44E857CE8E
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download55BC2D9F8356020EAA5FBC6866D11FE0F31200364FA04BEBB6AD64AF68371F65
x64—DownloadD5AC2162D04939AEC75BC70E8C56BD0CF7A5E806C8ACD97456D54AFF2D3CB73C
arm64—Download271F6B16611903C84B7C9641FDC2D2E8C22EBEB0B1A372208E6CE2F4F0377A14
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download3AD4D71AB557FEE2A76F71C616D2160A5BF477950A7B29A606CE0BD403005012
x64—DownloadC6B4B2AF943E6BEED2702B5CD3FE15FCC98F70AE38482579DD8A7D99E6C2C766
arm64—Download7C8B1150E5379EB5A0964B6BDE60C4228B38D0AD32D623D264E8CA31EF171E29
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download78EA53A8257B362D1243C2F64A66FF3FAB3FB66DEC1BC4718C467ED316E66409
x64—Download61D1BA831E2C7F5EA43417288191BE54B4CE921EB3D6EA2256F0C59617E0414C
arm64—DownloadCE51C3352548FF6C2B4E04C25459CB31B4CD2EEA1A337C51B06D4A84926ACACC
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download3DE275837A4E42F4EA294E072B59C3A9196E0B2A836484773E1C5FB25C222B89
x64—DownloadB10318F80115BC5EF866374EBECDFCBF52E88A4AA00101BDDA4BEE942034E0D9
arm64—Download16D51D252F0B1F7D716DE73EEF0D66B922EC4F9974D08D9A269BCBA43D83D052
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadBCEAE0581895E7E1C01E817D3E3944D0653F309A328548F1BEF40DBC141385B9
x64—Download5BD9AB06CB6F4148FDF754B7C156F7137A8DD3F91B05E07BD7589F07220FC141
arm64—Download7D3700BF406AD15AFC6515211D197D02B337DFDEBA314F17B262C4E9A116ADD2
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download07527024CC9C2EEEB5DAE9562EF5CAE41404FD062812CD3C882214C0A7B1B94D
x64—Download1F4D21482E02738CA88C4A6B1183960DDC360D7A795B1D8F595E78DC921CF5A4
arm64—Download3A02C1F4F3091676ADA25BF145AF87C1EC011BCAD107190463676C671BCD9C9F
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download17B19DBAB56320D58AD1D09694F81A298FD8FE39D9F8F4A9020E45414768946D
x64—Download317DA063D4A7BEA663FD1FFE015F3053EF87449284F05171420DAC6619951EEE
arm64—Download6E1281DC5F7218F639CE2C88144BD2AB25D178FF282FDB61AE8FE8F69B441C03
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadF8ABC822146F50AD5A5A2E11B5142CE228F38D25BA3114404378E99DEC072C7D
x64—Download175094C8B1353197C303A9DC86A14E9523A33F352DB3AD29D4009761E5AA573C
arm64—DownloadC79900626D2E3090B0E02C39B1F16F8F644B71B7508A45E6516633246825AC4F
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadA8BEBD2A26B38DBFBCD0B3406CBF6E7539BC67C04DB486DC846C1D38A5AD316F
x64—DownloadFD1F2E3458C7B5231CE47C66425CA1865EAB1E1238FD3D59304D598A6B1C4198
arm64—Download4DFF6F1DEE5E2F6E3BF550A64A531641FB37C62F5CF5FAABE2509DCF1AE52A7B
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadA0D2E30A908AEAC01BFFD0CA97AC238ADBEA080A5D19AB9F4C18E84953EF1CE3
x64—DownloadDFEC4AF7AD37A10E407CEC6960E87CB158DC23C135F3669EBDE119535E3F06CE
arm64—Download4457E6F7573DCA28A0E19652BB593BEA0D4E1156ADEB4D99E48078DA3339DFDF
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadBCD87838099C0BE0B0F817FAD18ADC71E4CA2BBC3B738615875A4326886791C6
x64—Download39BEB722CA73B23E139B7A23D8321D804A5B3874B20D38D0B533E942AADA1FFF
arm64—DownloadCCB64F0D3A5E266AE989F4CB5DB73E6B1B9401BC0DF8403B6AD4E3D21BA311B5
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download1991E03B5725634B8B467394404AAAED84B3E5AAB27993F1A79567B7E20FC480
x64—Download317A04AF624986EE45A1CBDF0A2293BF1478CF8D971902D49240D3DDF33E0579
arm64—Download8BAB92FC0E2B2814D251D86D45E844B37784721D28B29D1CEA75D62411149459
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadB2D27F73B0E68D35828F6ACE2FF4EEED293BDAC4205334ACFD072FE9B821B217
x64—DownloadF39FBD2EEB6C8698FF6157E54B4F0B0FE01451EC7709C3ED4A00E1A1D2EBA06A
arm64—Download235BDD0E6D4E7966576DF00C1527D8B85B5C0E6BFDBF795FC9E24D3B4107D758
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadE6B99A9F07B72DBF0D0A16A62A1724764FC3950A2FA61B20CF6A76089C5A1F2B
x64—Download59D272229C8E2493451C613F77FE2251A407BB4C1868CE188269BC87783C3573
arm64—Download1C14BA4C0C37AC73FED0978F9C77A36035D2037736858BC5FD6A7CA4D7A586E9
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download20CCD7897144FBA83D29E1A68C75BC6E9775C4E740DA3DD9AA53648027954290
x64—DownloadF0AF9F37ED823A7C81583501FAC2201172B48CC63593FAF29A601BAC7611F053
arm64—Download94DB54CEE8735DE7D6DA043D247B81E96FE0038084F28D510B62A86C31273B53
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download19669182792502D12229EBB7FB99FF058D6EFF1B8B65690F32BE218A721A7910
x64—DownloadC8CA12C375C9C586025FB57E93F73CC1CC4B3D74D128E1775C0427D78F6A635C
arm64—Download65F3516E7D57D52ED976107E388FBB3AEB991579D9C201CE6302C30AD59453E3