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

Mozilla Firefox ESR (sr)

Mozilla·Mozilla.Firefox.ESR.sr

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

winget install --id Mozilla.Firefox.ESR.sr --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—Download1B5A1E6DD288D061E5C2775B1FDD6CD8D90206DA17E9342DEBACE078967089C9
x64—Download60FC4D8A7FFD790F2D12DEC0A7D2FFE2FE34FBF192B86A44742053B0DCA14C64
arm64—DownloadEFB93F4366CD673A0AA712180F629FF75DB54F932A5EA163B070B27674AB7154

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—DownloadAAA16FC956D1FCB43128BD787B9DDF026F11E466567D04C919B50B6AE983250D
x64—Download2E09BFE08F77438B75CF901360BA6B5CD036C7A935ADED4051D82BBEED0938F9
arm64—DownloadE2C2162287881B7CEB9BFA1AD31D20F491D74CE1246768EEBFE5C2FEE8B96395
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download6E77536BCC7A474E9CE83333DD5CA65F31AB60D47D0842901DCCADCC68126647
x64—Download688A592B52D4C73917E731CE9A43167DF5A65931AD6B3BC520DADFDCE15B4192
arm64—Download74319CF8089EF13A58FF910C3FA64E7050870072577ECA5872B687E222FF5C76
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadCFFED0E621404C0D809BB6B31556D9ADF67B39AD8A9E314D44D61CB8704B3E55
x64—Download293033CD21D8F424F9D5283FFA7A2B65F3543210070B8D1B753915F8CE1D263E
arm64—Download7889BDB68F8CD8EBDDE3C5B531092EFF3A46E1D7AD9FBC37FFAA0CF519533417
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download751B1E03761D4F16C54CDC4E901FE87CE4BD04037B904EB2B107934F9773EB14
x64—DownloadE4A5DFDF0B4D3E9D9D03F953028B14C328E75746991AC16E911C00244545CDBC
arm64—Download9FF2343CDCB19B4EBC0B1970720EEE83B7B45AFB52D49C5BA41A714D1273ED34
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download9D690F61FC26F51AE02A4FD25E241E873EF1287ED140A3A39778B7EC6A8149E4
x64—Download4EA271BB030982E22B3409184B1E563FBB3DED21D5CFF831F82462F8D6326471
arm64—DownloadE3C93896D4E130C7A197A826167AC95C1FBB05BBDC4D997383857D9221677E1C
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download4D28FBE26E4FA0AFC0C063898413F2E0776ACE08D52549FF5947A0E5DA3CEC1A
x64—DownloadB21E4C078566AC99CD9AB997CA7E7D76B60CD4A37B1576D367D00F1791A2FDA8
arm64—Download1720A0DBE5C67B09334A4E2CB9027203B2F4B469DABA5D3CABC8C69D63636D6D
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download60770CBDDBBBEEE479A9A9CADD405C6951EF2404B8A6688DDB9318A5EA41F70D
x64—Download2E882FE8619770DC58568840E5EEB8AA51FA3D93B66E5AD165F846A07429DE87
arm64—DownloadF0823E4BD7CAA782B999E8616EE54106583F423A50E3A31852CE00F498C70DBD
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download1970A3B6DF08B5D4B8F11924478FAD128EC7A42778E65A557781CD867A581806
x64—Download936E6D6AF0EAAC30274EF02D8AA22063F4B5DD9621258E12ED5E196B0FE47568
arm64—Download56C8D4EEB0957EE86B7F498AEB8CEF9B1870AEE880343013DEA1379B88F05B58
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download7DA40DD13246C435DB370BBA49AC77A7E6043642B174727762EE871BC95237A2
x64—DownloadB6FD8B2E1CB15BC69AA11F0A1E5FC6114F53AB5ABDB9B5FE6927A4ABC6CC52A8
arm64—Download439105C6FD664518E5AF5D56B512390AFBA9EA70769CBE8220AB2A40783D367F
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download40CF4FF92EC9BAAAA56B3C4864C72D5B09FAF213E93CC4055C167100BF248261
x64—DownloadC3B5754A3D398A687C733BF38C7F1DC318A2592C373B7494443CE2532B189522
arm64—DownloadC18E2430DA087498133479557D57DDE3AD897F1EB86E118F63EB544ED51AF303
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download4F9E47A682B814E97B02FD53F3A1BFF676FF4D9DC43817864AAC3B7150B5040C
x64—DownloadB5AEED2BB1A2F038FF4AE7C0ABF560A8BEF6ED9B40D0A20B563F6BC5D88E0305
arm64—DownloadDB1DCE90714F21B3138C161BE97A131F3248E3CAD432B6407204B4506F206566
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadE72273B4FED878C545B1CB4F4F0BFF7228E9A306C11F40643C7EA7261C699F08
x64—DownloadCFF0C11EE263E16524284B4084553CFF2618C5E274868AA348E68519766664DF
arm64—DownloadC1472AEAD96212F72303196640C347B6AEA06B0565FAE9878849993CA637D264
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download4104337B9C693B940F39FCB2419F82A02E25B3725D7D9F3897658BC1D9DB1BD7
x64—Download4BCA9FB9431AD84CE6D9C466C142F25C34545C34D63FD44DD73E201F4C433450
arm64—DownloadD1EFFA3B3D558CD86BDB0B1AD91608B7AA7A9C5163738714891761096AE69F41
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download7438CE030DFE7134F7BE385F01462F5AF7D4A2481BD99315A793CAC0D05CDFBE
x64—DownloadAADCDA7BAED60AC697561828B75EC59E7FC46950FF6E75F5BA811E0C01160AF0
arm64—Download4ACD98FC045E18C2864AA9709332F2B0BB78FD936157A3F871AEF8257FB5700B
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download2210872CAEFB3AA453A3400877342ECA93C3A74AA47B2F454D005566683E5527
x64—DownloadDF4A0CDBEF712CDD1D2C848D2D2C154903A287F1D65730CE83A3D784C09E471B
arm64—Download49AB24707D9C8CC188C2CF10D75B75562A5AC3B0CA5342F4D50ED1627E232D29
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadC665068D3591AE60DF8D66C7CABC77AA62F9CA9FF0A4D711499C8B74517395CC
x64—Download4DE0991DB63C239ADEEC4EB3A084F7994C87C94E561C957DFCAF858382910C81
arm64—DownloadF5418816C1E12A402D06F53BE1A19FA5404CC1405424FDDC8B36A16A41CF9AA1
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download657DAE8F4544EEB33133EDF778A4CA47C3B35108F4A99DF48DC94CD6CD27DA6E
x64—Download674BE17FF1780739D75797102423306281B4B57432987AE3462F300593C653D9
arm64—DownloadA844B542AAED9E8AC6710EC10D7F1BDA8FAD64C74D40BBDDD63C5CCBCDB016A4
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadA3E91A1D5340503672FF60863EF59C1D07B92E4FD89A1C801CFED69BF963ACD8
x64—Download3A11D1F517341E1D6B772721C3CE8EB27ECD31AE2397E46A5BAE6ED57886966F
arm64—Download8F4BD77B31281D872C1F5B116CF29CA335318A1C842B868855764ACFBEC53FDF
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download2DAEA6C21115BD112B9FD2EB0CF62515FB16F9CD09C3852A7064795B246F9E5F
x64—Download7E267ECAF9AA7DE6BA85F8FA9C14331120F34E584610ABE1B83150F04907BB68
arm64—Download5A14642BA768A10044BE399BEE6E2A69B475B59E5BB3EAB845889C68364D6E84
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadBFF8ECDB2036B55E170FF17F5D23664C5DE3031E0389595B3A9D825271470668
x64—Download6A0345EDCCE36AD13CE69CFF278D233FC782900C28C65C2CAB323BFD614B4EBC
arm64—Download54B6FD86C731D76215BB76CCEB49FDBFB296439D63B841E68BD83D2CD248E1A7
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download52439F2B63832850A561D8F16DFDB64B71CBFEC704332DA9E5101B94BDF0D0AB
x64—DownloadA47EC0133AC54E37A4AEC5A06607C7569317028C495BF06AA0EF369DE77EC31D
arm64—DownloadF2047C2974C5B6BF21B14483ABB836860A6EC0D96B34F66AC33F641220D3EF26
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadCE12FBE720EEB6E00EE04A544310C68A188EBD938ADA35341AE8927228A254D9
x64—DownloadF0A325450360D49971F242909D37B3100B64028602C370CF61E604145E5E9041
arm64—Download19D3B578C5D7DA1ACE3F7964272D7A0AF2C82C8C42F4C378BFD86A5212635DCE
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download7A24F00931223A50BE72E89856FBBD2EB1D98B395C2A8EBE28C2714DCF3C8B24
x64—Download153F4C0485A50E0D597CD5C5B6BF43541D62BD8752269EA38A16EAB78A7F9C49
arm64—Download3913F13D9FA65BF2B726C1E1B5FEB1D4F87D3B279859AE4059CB0C0C6EE5E7EE
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadD96F20B9E874CE6071FD4B706C54FC982C1A662237C3C3BD00E28A44244176D7
x64—Download11AD16055CD0143B9967D8A9646F9890B93E2073B2E12D9C5AD5AF4F18A66828
arm64—Download351D3BBEF5374E67DC806A540D1071FA88B2B7918660D381203989BA7E7A54C0
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download26643F6F166F0C7D79B71F5DC23A4FF113BE4203EF80EF700833C1646EDC159F
x64—Download99C51163F009B89BE5A63CD266E85B715A8C47EE040AA3029F25A64773607C4D
arm64—Download041ACE59E81CDA56C9CDDBADCA035151DB20FE09966AC5CF545E1A35C84CC624
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadC60A8D2E6964DDD54326D9B31C4EBD2C9508441D4538ECA710D612059EFDBF0B
x64—Download83ECBAEBCBF538693F16C21E5AB5520B03075853797025D0FEA9D85D7E53DC5A
arm64—Download6B420CCEFD8273F78DB24AFA9B73AF7E114576A840257F12F9D831814D523285
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download3678CCBFFDE96E9445A68821EE66449ED16A5165D3E5BAE28C8AE0088AADC866
x64—Download48E96BE4B7CF23F11966325B872762E0551DA46F7CB4E600A84FAD85B9AD170A
arm64—DownloadB64C4CB50E21AE690EAD244879EED265C16EAEA146197A1449D5639CCEA31303
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download3B38F65995D1ABEB15B40D859A406A69768F45A97E1E4E3E7CEDBA3989D60814
x64—Download08EE83688EDF2333E6A4C3234D75F5B503487AB13FB041DD9A3E7DC421CC9379
arm64—Download3F0160A4A3BB32DCA8CCCAE8DBAECDC3D1F3013E41926F99A71FF35362FAF9D4
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadE92A048E1A1B6817F2B69C01952FD16D1439D68C90116CB9FCF7CEE29E8C68CF
x64—DownloadEB0F0B59F59CA5BEAB37B3FEB5647E22007299449BA760F03B9FEAEFB393238B
arm64—Download8E8A594B6EC2DD8F89FF7851A71E387483977BFBEFD804804DBB47ED525E4DB8
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadD97DC2430DA4BDE42F4CB396F510124163531D71F5C18B6EA91F20E9CE9FEBBB
x64—DownloadB4E0C25C6F1351248E1C5F8CF1C8305769174E494EC26E8BEFF4B2684918F375
arm64—Download107200F121920ED06927DD9C4A1EA61994A1A722A93D8831D62EC418D9DA8BC4
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download015C1E1743B65E7984ACF8B490DDAB3BF19322133A7FC190BBFBD771A55A8DFF
x64—DownloadD42017934C6352E4EA779A39AD3F873B6818F3E98AFB2B026F137125531AAB44
arm64—DownloadC3F81EF513B61DA05EC4E079A65EF1E5A6C17264F98F12E956F64B555EDB02CF
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadE8487F21B41FA45EC3F1BF3FD7C80A4BCC162A68D6CD6825208431B956573DE0
x64—Download2912BAD515085C3233F676BCC7112511926A95D02DBF4C408E9B8FE9CB0630B3
arm64—Download42BD6AAD3D413E2129BF6AAD36F069040C9D212BB4DEBE6EBD17053ABB061671
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadAC951A6FFBBEB6D5D8AC462820D98A9B55BBB5AA4D465CFDD98FD31B42F8E0C5
x64—DownloadDFBF29654A299A3DE2F082330216ECD1D224EE946A9F9058BF6B2921185B5172
arm64—DownloadCC92763549EC07DF7F7949F28AADF5D4D3D43489F0CD000E14844E29516B4A36
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download2326279B4A5B858002AF2D53715919A30BB6B895ADF17FC4419AF948E570FAD5
x64—Download5CF24A2E60770AA1A9634EBF15C480A8E5C3C402EF96E2091CABC0C5808BA60D
arm64—Download89BAC05232BFD3046E7C151C5F335D7ADBE392E3EDD2D67F036F34889FB3A78B
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download8C5AF3A83D5F248B21DDC73BAB61EDD97C8F8D9D2AA8190289C294A2D9BACD7D
x64—Download6FD0760FF167F3B25EEFB8147E6C7275B13420859CB4247C5FDADBBEC14ADC19
arm64—DownloadCD222A2DBB219F085543F5B3389ACDBBBEFDA91C8BFFC647C7B09F0BFF701D3D
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadD0466DADA12A414ABC850B5404433710501316F4DC91A1234E41485B77E5F1F2
x64—Download153997E730EE696E0C8F120A79E02A5BFB6560E4733E3D2BF01667BFAD010A56
arm64—Download94F4825AA95B8C97186C73C8E7522CBDAA0F779453707071CA48B8FC0C29F4CC
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download9F234469E1C212A929610989FD35A76ADC9CBA48FB93807BD9FAE527BDFE18CC
x64—DownloadBCFA8D6EC9AD7A02075E492C651C6BE4A316227EC5D3CDC2AF368EABC17B61F9
arm64—Download56368302A18EABAE4D58071452512D864BE55ED90592EAE17AA69FE9718B9BAE
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download939037C9FEA4AA7F92EC5F7CF78EAE220A5B8C0F0B24B4327CAF7EB65363E13B
x64—Download0A2DA10E765077566A5F5723C76AE81A789011B16F0B321D8F0F3E4AF789BCB8
arm64—DownloadBBDC67A9B49D79831D2F4C8FF148B0634BE047102349C99B683CC49DB6DE5349
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download09AC6B1015E2347BFFCEDA458673419D7EF9D7582C66CB2C88D70B91C5D621C7
x64—Download2C8FD0CE58CA9989BE6F90F85FB6F3BF823DF2492C67089CF1C91247185B5178
arm64—DownloadC5F9912F6DDBBDFF04E24A11B8A66EA2F12B2073E5A4FABC653EE11DB95F18A9
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadBCF3B51815BEF757871A87B1F3328FE992E978A4872E3189C026A28682CB67F9
x64—Download2355813503C2CB34BBE12659D383F8237810174CAA81305D183B918FE7359C1B
arm64—Download9FB296043315E36EFD4FF2285B9BB04FB323DDCF93E54018C2C9AA32694D9212