Tuesday, 14 July 2026 @ 12:01 UTC~4413,429150,766

Mozilla Firefox ESR (ms)

Mozilla·Mozilla.Firefox.ESR.ms

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

winget install --id Mozilla.Firefox.ESR.ms --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—DownloadC59F49F444714B1C2E64BBA46539B4FBCC70E5AC224028ED9660501C6AD9403E
x64—DownloadA72BF2851E668FF27D0CF61BCB445473F8DDA6957986EB6DF7F106F9D5C32162
arm64—Download217B53E8A5402F310A262AF7734A66C0034851B2C5A52D87F2316276378593A3

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—DownloadF75742454D3012A6E55EC31A1C02A2441101E5447ADE8E7F66BB641EEA23CBAD
x64—DownloadE7789E5FBA0D39FD2D4802F61D55A6A031E32A4FB22C22AA463E99E80E82ABD2
arm64—Download74CDF448004D36EFD4D8C1B4FBE2A1D5F94822C1A030141F12765244351772DF
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download77A6DF24A56C4F224E6FECCD23EFF8BC0A82BB3C5147B87996153FEE5474BA5F
x64—Download4A0550123898F4522A85CDF06656D1C8A9362677C96AB6D0C35E9699BF204A6A
arm64—Download1B95061A6BDBA8DE4BD0AE479AFE250B06543870037B1A16BE95833AA8DD1526
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download4333306CF61FD536987804A559F30B9FBC6D3112D18A116DE18A14885D7A5132
x64—DownloadB2EFC14BE8A583570F7C974A1D19DB49AA3D06430A67020F806FF1E20F1F07E2
arm64—DownloadA515310F94D413AD9EBA0F0656C30867D4903A2E024091292D56419EA7C42305
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadEB8F54EABE2FF0E6CF717790543E6A7CA2F45807023EFB4BC80D63875897B3F4
x64—Download6DAA73DBA9DA012B393E0D5AA04E989A52D65C1B37116D9816F541D0F26B4E62
arm64—DownloadFE26ACA944887F29B12B64B6FAF8FEBB427A92C5804B80725959D06ABE42437D
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadD46A9CE877019BBF27B85E0B5DB128CD0F8BDA28A2C419E8919D2A6E2EEA59B9
x64—DownloadFF9FCC30346CEDD37B81EF8DC31C865CF3D69ABCA6E39AC3F985FDB51CFA440A
arm64—Download644985ED7768895492EC4CB029E3FD1E22F1D34B835A9307ADF2FAA8C1595DBB
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download3B668EF43A23F20526FD4F0D5F444216BDCCC9EAB0A0E1BCDBA439D40ED3385A
x64—DownloadFA42E1AD2C83BDC7C782E05D6FC3FDC5C7FB02BA6E11AFDA42A59FF19491D5FA
arm64—DownloadEBBED61B0D701127784C0182C4C2017323A230C4909CADABBD688378C62FF26E
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download7C8A85242C0CC5A2EEE1B2C8F93B786E276E7490802CEE0D6731CE0372D531C1
x64—Download4FEA95A3CA27EDFC38D3F7B0A4570F84A7CD719CE6EDC077E3AB2316999B9AD0
arm64—Download4D87578013C582C593A9D3DB83AF2E6C807902E25048AFF218C887FB87322FF5
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download38036CBE7FECB2E81268BAAFCE1C4BC64CF87622E4048099B4AD00CE82AB5FE2
x64—DownloadCDB08525E92FA6E7E06F25F5D15540BF745FB0FBDC345F8BFF9C376A29D19479
arm64—Download917C36618C93C0F282726E39B206394D9A4C90433BDC64DE5538A649ADD18FFE
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download4C21D1C56A93523EAF44A47DF28AF922C1FDC7E32FD0932D802D35F403B09F3A
x64—Download190F096007065BC9C28AE41FA38F0F45881A7279D9AF842BAD9FAECE94B81933
arm64—Download02D16C08264A71408517C4FF94E32978BDB76EE8DD3443209DFEBFE522C802DB
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download85EFC62878C0E28436C1B3204AF73898427522BE220B889D2BB530407653B58F
x64—DownloadB6355CD978D12D5B1478953DFD88B8F385FF5B04942BADAE13CABFF43FE5BB8E
arm64—Download3A5F5CD81E907C63D5430D1B06516F08287457781D75BC82EE218296C90509DD
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download7EDDB392867C7D930C436C4BA65133224CAB7DE529751B10F944399D601AB26B
x64—Download9811A37970FAB7AEC0587308BAFB639223170C3C62AE6CE3B37BD2282C6B207F
arm64—Download3E71A11BDA57979E6D3481046CF17674DCCABDA32B59FFBCA6D6C0CD87FA4942
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadEAF75239059B9317A37BC60F2E9C3B0521CF12BC6BABA6CF9DAE50DE30B54B96
x64—Download0852988169D939D4C733C7984594D4ABB341A5665A7B7090E27C1C5DBAA934EB
arm64—Download8B133806522082F52BD3EA41F5DF99CD60125917DE90CC656A8E00C4ACAEF367
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download89B699C21BD71E78AE390359688B921C9F6DC4FBC5C8848D67B7C41A6C32437E
x64—DownloadA50BF81E7CBEBF1EC91F84ECDB9663328437CE2AC151F10535DAF637054963B2
arm64—DownloadA68B36E523594DF62EC665BFD3D3C7E809C5B2B4A48807738AED0D9922E8DA3B
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download32DFB05E9BE07720387B6EFBC45FA992DA0442B6C05AAF27B79CB3844F6E3272
x64—DownloadEE57C1A4BF93114ABEAFEDF7AE4BA666C8E23B0B54FDF723F06FC09F54B2BF7C
arm64—Download8BBB4ABEEE0B16BC8350D1333D4AD276367D5C837D5E857D08DDA168D347AFD6
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download5718B535597E5792FB41914CE71DF1BA5D8A1D3A2A510E2CD4AA708B61DE9416
x64—Download75735721E28BC03089E38A7422EE0B363259F3D2989E7D35AD01B6F6167F3989
arm64—Download0B979BFDEBC87BB82B9328AC2FC0F92884782B6DCFEF955C443E730B53B9A7E8
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download43CC35FDF7F6C00BA40879D6A7573B9754D5944EB29DE170D5F9E699676FB75B
x64—DownloadD8CA578E23C69FD5170D2C56FCC0FA4571C3836364847B13C085BDB90EAE9F84
arm64—Download75B72DA86D3DA4AC52CF6D6842F8147BA5A54B049CDB5BEC9D0C7054F3A11351
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadDED561E4003A6C82F888BA2ED0FCA033D3394D9B981F83353835FFBCA700B461
x64—Download2538865A7A21B52DC499CFE763BCA5D1979C0792291F3A07B16BA5BAC42D2D17
arm64—DownloadF4E75CAD1833F888B5443456F2892B8644C61EE140BDFF98D79C287184A31829
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download4DFC2AA69DD3BDDEE1D9B4DF9CAAAC299543F5B54EA814A88B477A04855FC8AB
x64—DownloadA3F564420EF64A60089A1FA3FA940FB59ECF739D5593C876A790808FFB64C197
arm64—Download4AAF965B62BB52DF2C11960571B6F98CCCFD384A519750186B100FA0A6A3EB9E
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadE8EC62024846724B523BB6A9F5F27D5256D1F30613D391785035A078ED7090AE
x64—DownloadF5454044B1B2E26B6B1DC4FBB0DA6E9F6FEBA9456AA7BBB9E2CBEB314139487A
arm64—DownloadFFAEE6FE255E00C2193BD9C80FF3A457C67A33514DAA4AE9631C178E17ABF4BC
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download08E8FBC29B88B8F36C5FE59C45837518D31D61F6A068F0C3F6D4D1A7D93442A2
x64—DownloadF556B47B1429A10F1BE90C1479B36FA9AF9A7811236422B77E6D387D0445801F
arm64—DownloadF579ABBF7101EB0D5C15706BDE8C50A22B06283A483500183D5240705583723A
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download9B7E2BB743D004B306DFD7523BEF8E639BB167E96975E468BB32BDB3C9DD6499
x64—DownloadD12086FD0DC02C0C2363A8C32E27ABF78172AA92F50F41AA1C6E195BF052160F
arm64—Download043A0A61F4EED01E108094006CFF547D6EAFE369F671C1D5E4FD62B31FEC5996
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download104029C5E3BE39213C079DEE749308356ACAF2B61772B0BD8B8EA115D5ABE2D3
x64—DownloadFB88D74743BDFB3DB74362404F0FB58C13E6CE00A19CB50E71A299D33A303FB0
arm64—Download8D1636FCA4D4A8ADEAF8219BE814B01BE62592180408028BD6DC712B12171806
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download4502ED35FA91B8436A30B6B4105DFAA47FBDD1EF05D91B5BAD588A5FBA480BEA
x64—Download361849866FDFC6B6C5C178B47C6F2A98BBC6C2F968FF8E13024FB1DE87867F4E
arm64—DownloadFC58FF36334A87EC6C01B41C2600851D387DDB58F1B7967A4808000733BBEF06
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download565F75914AAE860AD0AF1523B94F623BB3F007EE63052CD4CC902AA868DCEC2D
x64—DownloadB3CDCA8E6131220D3B715399A1E88003A4AA9E0C70B4018BC3A4C0F55B85F5A0
arm64—DownloadB94706A8ACC0B07D27AF530A425788951BB5ADE66D9C8A394FD633860B4D46CA
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download48530C4D166575FD41553547AB12176F11209DA04343097B9E27C31E127F8967
x64—DownloadBA49AE86A0BCBB00D45AE0E46604CF754309BB365ED6B62E289605B2B72B7801
arm64—Download95C5BDBAAB014BD0596B1E30A5780E47ED2C643354CD97765CEA646B04A6B52D
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download6DEE313BBAB2A79D5C96F89C5029C348FD2FECD86EDAB45C6B83BFE5CF72AFC0
x64—Download55390AA8286D5E3D62F701E0A154DF25FEE5895871FE844A9143D35C2DBAD1FA
arm64—Download9B0729EF995E39E62098CF77BC86A6C8E00D5DD166AFA49FC398AE1645B0641D
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download88A1320C48244F6B01677A520EFA94C7BEA1C6A6169A252978EEBE076A7F9BD5
x64—DownloadDF6DB3D9B3BA7462F26921504F78360F4CBFEF92C0231A68FE9478A9D938BD5E
arm64—Download6365A9FD99F73BB691A01D3F510D84D375C0B516913C0006E8DF6C1014B60ED9
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download860479542CF58F49B76DEF22B290C62C8BC4C1CF053F8CB6B9C787B33D12D31A
x64—Download05641C149DB984BB1BD8AA41485B3196918B8FB9A7E559623A3723EE76EC2D2B
arm64—Download564326A89E7A6EEB3156D5B2430A77E50B58A9600E169FB4F5A0854B245A7741
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadF8F112F924D2BBA989F8DE3F5370A62CB60864AF732CB8335FD138027267830D
x64—DownloadC5BA080A686DA86482FD5CDEFBAA90B6B82BBD126D1C4DDBD5316119140B088F
arm64—DownloadE9459BD8A505973DCCD1C29896D9F76F0DA8657E023176B8A30C42B1AE067240
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download4DB7A2B7E6EF6545BE564DEB35DAA98010583C6DAADF62328B25509A68B93FE2
x64—Download6CD6FDC05927A3533A6806145E3BC5D6BA56D8812CFEF5226DFDC2147EB558DD
arm64—Download6B3692A5CB985C77AEE63A2FE172C3A999069DE74A7DA406FA41FAD545DB332F
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download3F65B812D2C7A5C810C4174B1EF9FAAD2ADE258E6C55B762A516567D36956E60
x64—DownloadA98BD2C6697B474400AE754A1D0155AF8D2AF8C1B40D9E1F4B5837A3887143AF
arm64—Download1665C9F04EC11742D78A49326B069B9BCAF3181CCEEE4B91F552D1AF924A887A
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download696812A23956893CD1A377183D0017213F382E7C466D3BD3D157ED4D7D53A703
x64—Download7FB6DC25ED3B0F465EC6CE0576974078E0AD5E3CF7C9B3045C9A9DE4318A7791
arm64—Download5219478CD563761BB83EB59FFE3034AF410691552B37BAD35742E6BDA61B9DA7
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download0F77B283BC98E54F64058AC3192A3C7CED332208D10AB5C1E67BD6EFADE88CBE
x64—DownloadA520895FC03B290B112A01689BF7D60A31717BBDDA8163F8FA720686DAC78E7D
arm64—Download8EE8CAADF794B30F3B6D9E8FDD59C03B5322DC17EC510BA5EBB4D45AF69E8095
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download1F6AD5F59112428F89BEA8D31AEE0DBFFBEF0ED699E17317FC0A0EC58F8D9519
x64—DownloadD00C47AED24B60F71648AA9D13F1D0DFC033BE4FEC4B7D51A7522FAD7FA24012
arm64—Download97E240B39DA7BAE28645DF4353BDC0989976737A9B17E8195CD4F30D09887467
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadB4CC31EC186F72A68C2A096654DB300393D76120D72D0318FAA22A5BC51CC86B
x64—Download40614840FB48FB7F98BEBDB859837A16E3F57F1BE153E7FCEAC6A240AFA6AF0C
arm64—Download70E0A904AD9B327AC21740600B793B6F39A44D633D64F1E526244067E707ECB4
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download804C6AF4F2C2705F9C7709C4A4C0DDF7EAEE2F23624F472E87D10CAC24F5F86B
x64—DownloadDAF68E5AF2AA8BE12156B9DA3C386286952B266A521504AD42EFA3F3A20F9871
arm64—Download6F6364FDE35E0B44DA11A946437EFE91241D08D35A6831E1422EA36B42B0C7E2
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download916AE0F38D598224DF2FEC4C1C8A4ED58042C74DE560C15F80000708E3A47651
x64—Download6540F6F9DFDB099A802E99BA8ADEDC1C2DCE1B39C4AD94B3C37E7868CA286A80
arm64—Download4460ED8EE9C6000328C8209B70D6D1BFD3A0ABA9D9A622F2DCDBCFA2E2379116
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download21BE6E3E0E25DF9B5BD787DCD14ACA8ADFC27AB6B732AE650F6359491722F791
x64—DownloadF94AECF35BCDD483DFE1A711F774CCBE6F152E3FCC86725AD3A6946F4CC57D21
arm64—DownloadE1F0E0891083AAE70607A1F489C7E9A009434FCB4E0B1AF2ED16C168FC3A28A0
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download2B06FB31AAFB7F10B37A610F726930606F6B55CF0BC0BCF2414FEB45F0A5F30D
x64—Download4EC0313541E02A64B81ADD78555AF1FA96588A462A2393374DF96C99C57D92BC
arm64—Download9BDDF20929F2AA221FC3116A268CA06CDE585AB38C10A8287572A656860BDBEB
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadAC8DE7F15FA80B60A2F999F20BA572948CEB15BAB608124C77761F853B407726
x64—Download6CE2142C8B13349158D21687AA7D1C5F662AA3DCFB08EC88A67AFFF131266105
arm64—DownloadE557E97CE1F20CF59BEEE49783FCAB6F652BFE39F13AFA61447C4797D3C3DFDC
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadAF76B3E3C96916F58E449674E3E10BF3B139B6F8E21B53B8D1C5D2DB6010E843
x64—DownloadF642C59C1AD0FB1DBB93A4809F19EF8F83FC42747875E41DB473B69E31E3EEEB
arm64—Download44083FED33151C84197B973D8D6CC6C3AFB751857A65F23AB9CBBBD6BC401F5D