Tuesday, 14 July 2026 @ 18:01 UTC~3613,444150,879

Mozilla Firefox ESR (ast)

Mozilla·Mozilla.Firefox.ESR.ast

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

winget install --id Mozilla.Firefox.ESR.ast --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—DownloadAB5D03776EF5A26AAD951C1AC103EBAF4A59F4C2FA97B8E63805FD03ECA85E0F
x64—Download632E4AF9CAD4D42A2F32EE8F7A0A95104E7DABC131FB0D80E6A1E049FA8E4039
arm64—Download7439E7FE37146D3D6728C302A153F7D66151095C7355A122192B2D0A0376AB61

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—Download1F22D59EEAA069CBE273F5DFDEF324AA6A54322CD4EE90CA2D763BDF01BB2531
x64—DownloadF21B91EF473622BA638D36403EC53F1E7D2FBBA7825830922F7121C7143D9BBB
arm64—DownloadC57880A7F2518A5803F39BDB996C5F5E409B799DA157D717D6508336CCAE2BFB
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadA292148A9139F8CD46F32639F26DD469A4063506C246AF9452FB877DE3D2AE80
x64—DownloadBAEF4D3871D020EEAB3A890BECA951A38C46B88FAF0C536E9F8AEF8E6BE96E50
arm64—DownloadE2DE2CED12D94B309CF1051962D914FB52CFD8627DF27CF42BE5B31719D3FE96
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download9F654E088B8D7F9E535C5C8E6D69D397340E6102B18E65144AE06F3C2A7FAAD3
x64—Download6B31F5A223C2CE95FB2EEEA6FBFD4C3E58CD604FB3864C9D1FB9A49EE89B2A5F
arm64—Download1E7A5EDDEF69682EA2ED5155BA6FAEB95ECC21B525D9E3327A5DA4A420CB831B
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadB5287D9335DBB79CAF6CFF59DC85417DC16DF92BB847AF8FA04056FE52230DEC
x64—Download4DC7283A69AA7CEE594EF62338A3EDC80C3BD06BF6AFA147A9E1745756E49687
arm64—Download4426DD7BBC23E5DA41A4BD1D6A85C3606E1CD58857890FB98D17C5703555C56C
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadBD2A9C7C798DB2E4B1652D0C8C7F9C609AF7482BED72731A7E179C0508910D28
x64—Download7BD0EFF80ED2BBF32FF084789EF023EB1E2C37D8CF392494E2BF7EE62009556C
arm64—Download95C33D611F5CEC5F1C81CA002A72B74F47CF27FD93ECECF927F6AE45E41364A9
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadA91EB2F2B78A0CDB51B4646B0405F31BE67D489BCACABDB386AC6E97523B7965
x64—Download255FE2080CBC5952ABBA7A5D593A5FD8298F038D876AC868954B1BBF87C0FD52
arm64—Download6EBA6B49D8F5FA6D728401617EBF24EE6A7DAAF55A70A8192C4A90F9C004F1E8
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadD4A9B9EA37124153907C0635A25DBB94384BB9063911E6E3D6D8F85410984371
x64—Download0D9D68BBE511BBF7CDC189F9015EDA4954160ED329F3C495A0D749DEB837E9E8
arm64—Download5ED3971CCA12EF7A1338FC6FC7F3AD4EC95BADCE77C4C7F68323F8D4907250FD
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download1246284ACC7AA707D5DE4FEBF451FE0687B567747BBF911C8099BFA890F37C16
x64—DownloadC5227BC41AF79D5A88A4CB9AA551E748AE71C9D9A5D9A079B0B7C57666D1584E
arm64—Download157CEE1B21F00805F289654179B305C486A5A5BEB8461DCD31813E7B8F6BA3C4
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download5585E99B7DA26B4897A82389E6ABA72FA7A7A49C0BE0302898BF66DF4F7CBC7C
x64—Download1E6B3E436E98F76432D44A3D0DB7081AE59481146736CD6FC02219D1110D5AE2
arm64—DownloadAB8CFA787CFD6555ADF6F669062F1DBDBA2D12CE0575F8535988E1CEE3091ADE
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download9D76A47C0F34FC1982F5E0012D690A0BEADCB65A011644652C5A08D6C490BC4E
x64—Download20C5E3FE52DDA8A9036EF91F77944FD1662ED8C2C113F33C31E8AC8B22AA9B21
arm64—DownloadAA8D896096F39575F19DD541507B255E5146C55FC09C6EA169D8D3486F3CF9EA
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download826C6A2E5E327725FCB99B5BA0CD8ED1729D2DDD4399522C67C55CED96650BBE
x64—Download1B3336079667203EB7C66EEA2F3954273B606A57542D1860D56AA395906FD82A
arm64—Download3848C8D39E661EDFB119211FA843E23E518E03551A21F9EC22C51001331F12DB
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download236D9ED037C293F0CDAFFF5D3F8DE40A1B52F00DF392C117857298A54F147DD3
x64—Download80078BFD717090AEC415D44BB994BE7BCB1E50AE615F238310BF1F7BAF22BCDF
arm64—DownloadD107FB92D973271ABFAA19D56871998A22CDCD0E43F16C236C9251DE1538E2B2
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadCF19FF43BE3E2FC6C6E7458755E5847117731C8C55903168F04BF5EA68A8F6CA
x64—DownloadC04A543772088AAF80FCE37F7589BDC8924C037FBD9B2BB0399BC76660F504F9
arm64—Download8387147AA1A9993CD6028D921457209D9734772C4348B733B852CD278AE5760C
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download938167386BDD11BB2536CEEBE7D3B6AD0B1B9AAE5A7FBDB9526D41111CC7D429
x64—Download79D1AADE4BBFE1D1744A8B3119AD82F8B2CDBA5ED4E47BDD7351FEAE1D3E2CB4
arm64—DownloadB0D5EF741B6D6B797355B41CCEA92400DF7608B20D431E589A2260A0F69987D8
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download4BDE3541F0BF9C0C0D326520A2628D74A8CA8F225471FF6B3B702F1620A0543D
x64—Download51678E0D6650F67A6D4122DC196A12BEF38D0D6CBA9FC1722BF7E665345A852E
arm64—Download00B34C308A8BC45A3BD00964FE5EF1C5A8DC428CACEA635D00D52F0894F4CFCF
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download14261072114A8C1335B9AD969DBA79715CCE177F04C6391AE17B8CEE9C9C8930
x64—Download2F77C572BD51FDBAF11E75D0FBF9F739037D024A3B6346C38E39B3970E28E18E
arm64—Download6E9B9BE4DB3D2881C05C71917D216E742D889E4B0BCA22E3993917EE9274D5DE
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD3B8DFBAB5FC22AE5B4A521D2711478DCC133C2217A01F77EBD0EB2126056A5D
x64—DownloadB2F598B3F74BF4886D96D2BEAB6BFC04E5095FE96770FC141B8A0C8456432C06
arm64—Download5D258B50A6D1DF4DB24202ADF55A9F8612D18EA16A719CE6230E9DD4B059C7D1
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download7201FC5B67D031EF97B93D76B4F330323C68DF99D519AEB2AFBC508DEE61CCA0
x64—Download77A29EA80AD185F12977082CD038311AEA826F0B66294963AFA6313CC4AE5C02
arm64—Download50DF9185782352A017D4F0573CF958076A55632C579AA207CF270FF2A8A1A220
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download64535BFBC4DDBDE77B94905B06F1C18BE2E34F2166F39516637C429033D38A78
x64—Download5404705B0B7C6B845B21C8CEA646AB512DFCF4F5A337089F441931391535CF80
arm64—Download2FBB8DF32FC96792CC7B9392578023A6B29FB53A52BDCA9C875EE4A681DE673A
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadB5E0B36930F944B956B5DD5D4A9717857CA4EF622CFB540EE7A3E6908D5D0C8A
x64—DownloadB09EAB25EB80249EF236248DC8EF1B16060F9132B6621360E490B9C9F674902B
arm64—Download4DD4E70541ABDE591A5880E2F4DD85929530B0EBB0BCC1E3C861294669068078
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download1B384542D0F56259B6518326BB01F26CEC7F6D4A3467CA930B7B428A564BF8FD
x64—DownloadECD4DEC2A0710521FF0F116D34CB38CAA9046217408BC23513B5AA9B97F96DA1
arm64—DownloadB718209A18B97F008F5728B8F6BE6E5A25DE6638802C7B101CB50D2B495843CE
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadAD55D6ACAC92C9440B8FEB2C06CB7E10590018320B22EE9EDC485899632CA453
x64—Download5D59C9A8B656B682AA804E45C4C7819B30CC0DCDD93B48289E05A02323BADACA
arm64—DownloadD26440EE9E7C2C276D70CAEFD82F8EC6D877B8FFA85041D778BCEE85A25C910B
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download23DEE8D56D678A5E34EE9587B87A6530E8DF8B2A6A0489E9DBF07023D73879D2
x64—DownloadEC3351DEF8AFC8846D27DBB66B6441974FB54CD369814F4A69CAFD5ED1C6E846
arm64—DownloadC33397762EB00DD1DEBB48DF9362E4087A913012C7E28AE7919BDB65466AFFF8
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadBF3E02FDAA56578924A438BA187E569B3DCD716CC6F53C7C3D74327E5D1A0ECF
x64—Download92F13DD887704AB72D7D1D75BD64BB2E69386A14D91E8D6C905F388E1DADA45F
arm64—Download9ABBC5858003BCB1B022BA1E6ACD19F60B4929311D61F37D7A7F5263E73B331C
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download40A7DF034BC502A3CB24C2616F9FF945A53428E8AA93EB3F31A6E292F24943E8
x64—Download51E4602E8A91797EE1D4B460074017C03821D8BF522B1BBE1CE6137B5CA59667
arm64—DownloadDADFB3708E07CDF90731E0FDB0E24A3DA0A332D70967652E04D981B333336458
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download40323B4A7F10B6A57676BCFBB39ACB824A3234D551F76E8486A35BCEA5A8A5F6
x64—Download358C0A8272FE5BD979041277E9BC92CBACF264E933580937EA07512AE30D7B91
arm64—Download8FC68BDA0BB78FD588FF14E2E4B4BAA767E82249BC43FCBF6B9B130A31CA30B3
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download9A10FA3209F90F5DF44A53ED82CD0BC7509ED9AC54DF86E59B78D4A21FB19925
x64—Download7849BEACC691C63385ABAC4436E474A38304E6EF3C5274626CE67DFC22ED6E2C
arm64—Download9568032BDA21C32E2339C98025ABA002F46A2807D282D5CADF2E1A4A03B11C36
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download91C5DEB0EF6D3A497A80176A8BB33E7882EA885F4E7CBA4E832B0E2F38552399
x64—Download8A897D45BD75DDB08C892325FB2181EBC4D0D764331E46F924E11C89F2E80553
arm64—DownloadDAA58F400D7B8E7E43B92CEA08FE665059EC063C32F2F897C13AFA392607BB42
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download97CC0E0AF76CA4F02070C04D91A22409E0E9213E66C5817687E5E67393E17028
x64—Download04C02F668BE2D6BD8896FBB15591CE960B9CF652558EDC69E31545D41B7D8DB0
arm64—Download7822169C1B2CD4B90B4D0C9F1749B01B5FF667CB3DE44C35DD0632147AFBF8AE
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download0F96F572BC493C66AEE7C73AE64DC6882F918BA5D985D7D3A3E3F21795F25205
x64—Download179CBE878D56DC9D08070F7E1D75EBA1F3BD3354F5B31EADF547304464ACB763
arm64—DownloadB156835EC60DE9BD753144DFD61D5DD208363919CA6E47E9D265AF3EE4582309
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadE24D4EBC70C07A031F564631A3206C9821AB7C82D3A587411ECDDF6C77D7B667
x64—Download115F232DC013AAB0C78A595A0F73BBDF639390A5FF8D3348707D2ED307E9F2FE
arm64—DownloadC0F9CC36FC78972103D47B4A89F182EF8ACA555EFB55074B1B5B6D1BC4B3EDA7
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download46DE27274F37569DBE53BCCBD2AB37FBC49317184793BCDE1567BF565AACB4DC
x64—Download4ED84CAA5C88D40DA64D8863D3B83F4E04F2ED3B0A03D3DF850912BEACE48786
arm64—DownloadD7D6936694C17C4C177B9E38E8CAE8E994286E61E309DAA752658281DB0C1208
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download96C41F8ED97B65443411C0D278A24A4F4FCEB9C384DF67925DDA871296CA2B4B
x64—DownloadE4929F34EFC724ABBD6443B20B938FF7447732BB0026C8EA0C5DED191DBE853E
arm64—DownloadA8D62F49B17271FC26488C1CECAE68B78B35FF03B549414C0B7A323C83CAAB08
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadFBE941382C34C6D29999BA556372AE7014C131DFC11AA0F9719E4B0883976B55
x64—DownloadF69DAFE8621823C0DDDD3F1B34EDA1F224D88E345AA9A1930A79F4C5C080407F
arm64—DownloadD8F57F8839B6FF60BC57221D31A78C4235052BFED08E8FCDDE290CD1983EE543
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download68B1B3C11E738710B37E92A5F0A757C2337DD1CF0ED6216BF1A20D7B82278EF4
x64—Download78CA7D6DBEA77D69A0AEB488AC9F41EBC59A932EDC163C0D2AE1C4CBEEF1A927
arm64—Download273F68F1CA87C3CEDFC31D022BE845301346D5D053768258BBE69B7536E3460B
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadCF2F05A448395ACE68D9DC3025BF084E8E700DA2226A67A26CA466DFA0BCF22D
x64—Download9BFE2EF403692445B7C27021A9AAACE6C99CBFE6E589F2FD72079A2E5CA516DA
arm64—DownloadAFF26EE7A4659724F960D518EC7E56E35830DA743DAE9079508184EE52A4F0A8
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download4046F74110BA4C47CFD1D9C8A6E1C42C5B110B034F15F258D171787998BB2ABF
x64—DownloadA427D68A4866EE0CB886BA4098FB80AF521C04A38B8B949B7F0DEEAC719213E6
arm64—DownloadD02CCC5C9D36977C6D219A9DFCD941AF7BFA5C222E25C04A9819C1C60DE35E77
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download00E420BA018041A5584FE3B426C188C89CD9F0089594E9758B83234F13D49374
x64—Download61ED6EC4DD86B1E955D4895D713D498636D04595E2360D4D3E90A990CEBF006D
arm64—Download219C914C3DC2A62F11E72BB921EF84B7D34B4E6E01560B0CFEE986FEFDAEC148
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download484053B2BF64B65324CDFC47A220BF04BBCE1DC5BFA3BB3CD243FB33A486BBBE
x64—DownloadE9118421A17937B8DBBAF248D3B28EF21CE528401271DB023B5FF0EDD3A98661
arm64—Download284FECCCE256DF592DF4F219812A95549A4412FDCA783F6A67B51D55DE1B95D3
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download55CB1147CA25C7F4B7112B8F1E04FFC8F1FBCEA59D952615AC6DCD13BC22F3AC
x64—Download5EB52B80E888B0583F4038DBDE70DF54D01E5F83BF7FDE1A6D4F9B41CB786FDF
arm64—DownloadD219BE93B0BC1B6BCB28C4DB92F1451B7A95480B55A57A3231C3BE72C801EA3D
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadBAB4AF89CCE3E9A240F6132C3C8515DF7150E304984E2AB3E627DAA5D70FD407
x64—Download9E3D6C8029817F0E8CF5FA744411B25B37CD6BA8B57C2658E0C93BFA65F9FE33
arm64—Download7009E46B47D200E00EBD64AF486DC3E119361A3DDC6593A2EE7089E0BCA80769