Tuesday, 14 July 2026 @ 15:01 UTC~5413,429150,800

Mozilla Firefox ESR (af)

Mozilla·Mozilla.Firefox.ESR.af

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

winget install --id Mozilla.Firefox.ESR.af --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—Download1880E12DD659D0C80DC21330995D4265A4A37CD70480DA9C17502FEE6597A786
x64—DownloadD39E4BF46E4457EF8A3CDEE0C862DDAEE24F4409C8A0001163E8BFAA6614E657
arm64—Download0A90646B3E91A25210C71958A4EB3362F5B6CDE1CEFB05C7DDF5AC374F07A50E

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—Download186014F0ACEF0DD007A8A14ACEC8E1AA30AAF529DB778B3EF7FE5D880A965726
x64—Download140A099185F635B78AE13B339BA08E5929F5F78B61E9D8FB870D7263E5AB3FB6
arm64—Download18D953FE0D650224680FA07B99A4478577CE4CAE76237BCD9D0D2510BDD2C7ED
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download0D3842603EF0219FE69B337A04F5C847F2D7FFDF7DA62DE40CF7EC5E2E63FAF0
x64—Download453105A8E7155F9CE3A3098643B498B1EB7CFDD4EFBF7BD39E4B57F7B1F3791E
arm64—Download8F757DF0F4591EE39D553C569D6287E2418C6CB7C39FCA22468EE7B6C339270C
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download3CF833D6D91CD38CE1111D2E807E5E3D875946CFF2865F6EDB10A2B444A8D36D
x64—Download809B96D3BBCED28E80E8ED15C6C36D7BB3615BED5876998F74F3D81671FC6568
arm64—Download32BBAACB6AC56EDC7C605C378CB44DFDC63BA82B3D53004A2A337715D1E7646F
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download4FA93A2B8D5F0DAA552A4E032C107EA0D622308D5CDA1803478CDAF0A0E225F4
x64—Download0B895360A1AB31B713A78DDF679967ADB7FFF5D704E76326FD720297CE972FF8
arm64—Download6DCAABBE65DC694C11D02D264524B19D573B0C34596228AD401A4175309A3E87
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download6295603719243BB53081B0514C152DBB302A97AA7DC94AB7C618BA189CB10267
x64—Download483E18C50927450B22FDB47AB8620263F6D273D8878DDF7D27436939C1D2C5BC
arm64—Download80AED1434EB4823E623ECD5057EAE1B96D2E52444A9AC338797F05513362255A
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download90F6CEEBD0289BBA1A757594269763F6E029A51BB7528620DF1A744701E54524
x64—DownloadCC6021C9EAFA995C591A1B125A547AA368B65E719BBCEAC73BBBD48C7B7AD325
arm64—DownloadDA0522B8482FDF07336B0C68BD15DCE959F7A276A9AAD588DBC27250AC1A1A60
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download849310CC536B93A083D67AD8DB9AEFE9E14025F5EB3441E5E54EF8D12DB329AF
x64—Download985FF1A28E29B4A981D1952AF702F3E4AEA79669AA3517D54BE9ED088544510C
arm64—DownloadD1D24BF84BF2E65114CA1BF78D70DDDF23819BF495ECF372BB5E4BD3CCD6431B
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download3AD92A1B34676784659D298A6192FF42ADD6EF3F351ADD711043A7887F2A633C
x64—Download502DEC27ACC6767B157C8B3870152FCC976B8049438B0ED86A0AA3B9CE9363CA
arm64—Download3BEBBEABFA5B1966278DE1A66E5365197D04D7F64A31C8D573DE80203B83E1CA
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download1F1B7CD4366D47B6DA342AD6A9CE7929337981342B04A1E61EFCD3F083E2C682
x64—Download5187F9106AFE51195DE7F74341F35E1F2E7E67A433E7500CE3EF4EC84402A2B7
arm64—Download4DBAB669BED342A3400CF74801C6F97A4881913982009E6A9A6492FFA2F5A865
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadE02FB569D7A951AD67C4862E0402F9D3D8B44D7AD3D9E19BD2D222F5BC3DD0E9
x64—Download25578BB0D262072284072F12C8D9F7273FF0373F494F05A732C355D250FD0C49
arm64—Download11835A5A0F526EA52E122C2BF01048F1B2F6A372C41BBEBB0C0D96F1F1BE6013
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download92D0510AAF55480161F35848D8644726E1177E6240413A7F41D412436F9FB071
x64—Download39A17370BE2070FCC635483544CA7710DAA5CAE64A99916FF54A4BD05D5AA0A5
arm64—DownloadE70FA707C62D34EB893E31E787E78E6AC2E97A22491DDCA52D8FD3B1EB296499
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download0265DE807E64E06ECB1F41C2FCA2FFCFA670CD35EAE68C1396850DE6A1B52B64
x64—Download2CDE2F5099B4A231970B4E669EFCA5C933496B805FEEE27270AE6EBDF300135D
arm64—Download4BF2A3DA3FB631237EA373CED37CBAC37FFE12716E16C2585D50C5AC91AEB428
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download61D264407387AF9C8D47F09E54D3DD6D9B015FD5268B1F7F76395B4A903E1AEB
x64—Download822FB8BBE6EA70F87AD563F1BE6DEC13B9A6AB5DB748A19B6C6BCF065A922348
arm64—Download281F9A7D0617971CCBCC4A6E3DE44C8FD033E1B66D6BCB2EDF1CAE89458E0803
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download004417FD91567452F90C47414EA90B4B507230396B7A7274D33FB04C8A354F04
x64—DownloadCF1E74F9B9FB61D4FA513FB32805E2FE66E502E50C5B2DB6AE06BA373200EAC9
arm64—DownloadA0E33F3D9A32A5088CE30781EFE07D8F8DFE8FCA614CE3C4AE0377D197D6BACB
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download6AB880F18DB5B6E160F9635D43D878BAC87B11093B455DDFAC63AB9AAC120FC1
x64—Download31429936AC849B32CD38C7F9AB7D49873416862EE61380BDD22063944D7EBD34
arm64—DownloadB103D16D444A474FB6CB84E78D9752FF54C39CA87C0FEAD39A09F80A0C989B01
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download933AC60EC391752649826F07DD29B2C6B82715A476A56DCDA72C0A682365095F
x64—Download1434EA14D846374B6A45424887096ABE33887EF577C7A53BA55DD69C95912669
arm64—Download1828B80E8C01C0F7AAD0AB6CCC882890793F50A3366ACD6D049F2D48BF61A21F
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download0C12770883F3E56B343266C148010115AD9139496FF67F5381836F8FC8F2DD77
x64—DownloadBAF9F48C52E1A679D70D87E72C90CAFFBDBE0FF10A106E23E47F15DCACF2B147
arm64—Download84B440A036213434167B2B7A82AAC1C101A45341CD7F671EA9104E79888A570E
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download58D8FC91F4FCBFA1EB33511E8E3B42F0DE6E8DE81107D891C82D2CF0B427E119
x64—DownloadE29D06DA7CDC2D86330133C43CC5069150F894B6A2B1FE1ACE1E89781882CE17
arm64—Download11B5A2CAAA85EA8BDFA3A2CA549CB46EC34DB2CD9C10FAE04CB2666E7DBFCAA0
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadD9DCC5C4A29F25204F487E38D8DAFD04A8D5E89D7ECF69953A81870431AA75FF
x64—DownloadB62E993AA4953B75CAFA27151427021D117673115BAF7EE2716277814B1000CD
arm64—DownloadF0B76D63F3EF3F4064B22EC3E8E0AC8AFEFF6F08CC6E287A4730FF40C332E08E
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadB051EDE958D2155C124F9E8A988512C35F6B68A428C14D272CBE6605ED47792B
x64—Download6835561C5475B21FAAD6C64F6CBCF0D303F15C17316E3BB971C64E832CBF15AE
arm64—Download809D89895F217FFA52F4ABCAD4593174E334CCA63A177AD396F547645656861E
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download2E03C2E50A5C6F2419F6144000AE7BEC263DBDD9568F56A2D349AC8346237829
x64—Download0F60B430C60A733A3E49FCBA100D28EC1A285FB365E4D8BBD9EF8A928B500024
arm64—DownloadD589DCE21755BAC9EEA8893E1FF54E1C52500531065B68C24132B06AF4E7A782
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadDEDBE385DEF6C868451B84208994DF59C6151E6E28B5CD0B9B968FCC258CC371
x64—DownloadA1E15CB2969CC495A8709866DC6EB15D1400A8245E61FE35CF0915462D72AB8B
arm64—DownloadE339AAE355463CEBC734722A758B28B8C89868F9DE9A10745B61EDF9B33716A3
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download1D10B696DEE8501AC7CC058EF40CFD08DD44298E8A55BBDB47CA4AA1D2D41418
x64—Download924988CD6D8A897D955A58910AD81E3ECBE59190B5E62C19236822EAE6CE65DF
arm64—DownloadC71C605B783F0BA4D5D0969FDCE0FC63AF054159DCB67C430372A1016B0F2752
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download1CA3660D54C29D1DED57B5FBF7FBD8A943AC2381B31D53ED66D5B04A77543996
x64—Download140E5D22D9DE3900D459A9BD8AF4D0D79A213DAD3FC451168F72321607339341
arm64—Download93797501C6C31F039F145F84361D43D1987507B23BA61B6144AE608003EB780C
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download9BBA7C11196EA2DE237E6E34FE0A17F7755C07B363C27FE9EC92D87C5197481F
x64—DownloadC7D9B139A5F43C9A5EA3493DFB1EAA80130E3459D78D60EF0A2CDF6C31E9C0D9
arm64—Download234E735C2F2A49BC43282C10354E6ACF97382F1AB14FBAE029CF87F4669E1CE8
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download7F22A396F32C24E6515397E9486EDF26DFD69777C317BD05B5D0E1E5807F0CB8
x64—DownloadCA1491E7AB9E5F4A4260C78D31F17680D518BE28725BC7116D540E6F068350A4
arm64—Download0B4331C9DBF84DF283040C6B788DDCBE02E2EF354314D8D799341C7E1F2485FF
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download875B5870A10AC932471B228B43A5AE5D7AEBA2C1A529573DB631BF9DC5C8ED3B
x64—Download6F68A67E78A4209734B7D260B60928BC29601FBD075B3F31C235B57072BBA561
arm64—Download361D4053FEAD12D4752B52382C7A7C396CBD2218F36FCE7C104DAB3AAC2F6501
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download39A735FFCF4B59CDDBDCAA08141929EE45B317E9FBEFBF0F758067C1E28A1242
x64—Download2CEFA97CC534B3C30983176796B86E2661C5F28D17AE3671360C32392AD0E4F6
arm64—DownloadDF79C794EE0A9A8D90B5E8C406F600742D58D7A0DA1A6B9DA6369DA19D9F8D2A
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadC0C4936F64751B39AAE2972A5B9D26CE75EFF003B8BA425CDB2F9C0C8C3977AB
x64—DownloadA4B78B6831AC7FD0CFA90FF9BCDE3C8BBDB9DFE37541CAEE99AE02D4A46C2B2A
arm64—DownloadB3302340A4B2E4788A9A21C196B1E52C8B7CB075DD346E60165FE54967D0F5DF
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadA2CD1E7B78A02ECF7739458873C0166D34E041A5261D3929F26EEDEB05B00DF0
x64—Download21AD2E3CD5FEF813129EF817936D16E0066B94F1D0D7AC3B02AEE5CBBDF54E2D
arm64—Download57542321388DCB9B18FCB25D5DD3FB2356FFADD387D0E59C964674CBE4429FCF
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadD14D424F08BFB17DBBBDED80EF3E9B4991B77AEA0C9D6323BAC8B022EC28914C
x64—DownloadFEBE66E6E06B97EE194602EF9E638CA6507B4B87F10DC57A8E84A8A5ABAB0AD3
arm64—Download85BD7A42FB8BE188D1043CE19906D94F99D6C7B8CC8A48256F37FF695F6F4B8F
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadB4F18ABC51ED65C4D0D93DB1F4DFA74A1EEADDCEC2AED1801C69DBC4AE8532F2
x64—Download5F8327348C05123E33CCAAC440C8DD03B3AA091B0BC68B9A9C25EDF0B8C0D91F
arm64—Download0AA56BF1C3CEDE6B0929D62496189742F2657BD11073D8796828B0318EC6313B
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download75AC6D92641B3E7C831DBF3F6FA46DED99D4B1692F592C3606A0CD311F55DB88
x64—DownloadF625F145906F7E90D794351A3E7A21E1B9EA81F3F25A25A9543E148737C6149A
arm64—DownloadB625DBEE72CCC89E655E1E575C6B3187F21FB6099B247356CDCDD35D66F355E8
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download3A554D79043A214482A1539F61DA9A4A0F32163AAAE327AA653928F7D29CC91B
x64—Download0BAA61EB7FA552CEF19BDAA9FE94C71EABAD7958FE2CC00394E717EA8CDC815C
arm64—Download82D75220285E8253853E7BD6E79128FB2C183E339D4508147C8D6B23B548C11F
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadAF6C83917BCD7850C961B2BCF442E17D2981EBA55DBCE90FD1EDC26A9B990C5E
x64—Download0A7EED5619FE9743EFD86F7E877248114810AA2F73679A8AE7F1F55272FE7AD9
arm64—Download3B4564D1120C66BC717B6973824D7BF438FA35F3F4C961F35ADA36B6E122D1DB
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadB599CFDC98E76E5B3FB5B4C9D35C51AF1E4DEFCD2AD264BF90B91FF26818F157
x64—Download600B533A9D9DA6A22F431E4ED888411C1848DA2C88CB0ACF55D629668DD6BE56
arm64—Download5E6D22892D12BC5AB219D8DEFBC36B532EDE0615CEE5B0BA65F00BE5221B1721
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download8A7FF8C91BB2559573797F6A78DE4F493EA981DA2C79FF769458F19900C97003
x64—DownloadDAF9BD196131AADEA03F4379A1F6C6AE989B04E7C24A95600CFFDB64811CC090
arm64—DownloadCB61820EEEFCEE2701F7088020182156447272CCE27465BEBC43FEEA4A604C03
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download7308B8001983142BA8889B1A4F7C3240FE6CDB3D540ABC88B460BDBBC0325CA9
x64—Download76E99467E4505BD3D4D5FBADA514F9577BF69976C0E9783E17984AEE0D86A575
arm64—DownloadEB53C11774F8D2ADB5A38A07DED7C35853B37B7203DC43BA8418AABBDACBE1EB
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download1C585F69087D3CA797251CD9151DFDB8D79202C343B748E561CE9263E54C2DD5
x64—DownloadC5DEDC565107CB3A51C4F96F2D1ED0CD0686A911515F4587964FFAC416B84550
arm64—Download1D025539A692B76CEB4418230267A98EF948CF5B3D18B57E4C387423FEA9D22E
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download4FED5223DEF3227EE7E3F6B7D6CA3781B9369C4086F0748D0A0E69258E8623F5
x64—DownloadF60368C8209D563B820413F82C289EF387CA31F2A019DEA1A851A156883869ED
arm64—Download991CC2B93EE5C39143DDC0639C11B6C98FA82A195C63FF350171B194877BABE1
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download296ADD04CCA25ED151CA5F50BD0C26AD37E10DE2A867F8C11573EEA978636BA3
x64—DownloadEDB3677549B65AC8254FB245D574297FECB70CF5A3CFCF07B4EC859E2F592C14
arm64—DownloadDCD7E7B074B3BDB589314B56B4E9BC8E7370B2188BBB4A44CADAC21B93FE11A4