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

Mozilla Firefox ESR (cy)

Mozilla·Mozilla.Firefox.ESR.cy

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

winget install --id Mozilla.Firefox.ESR.cy --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—Download6083F4F3B6B9AB763BD05BA3FE01FDA540DA2C1C175FFC3D85E1E78C3751AD87
x64—Download54B8E046ED4C04FECF56B9978BA22937B666CC73F5F71CF58329C6F57D94D9EA
arm64—Download0ED4C8C19D72D8B01002F578822A16AB5AA8C78AE8EF3FCE369EB8BCFFAEEB39

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—Download48389CCCDA485B517D22DCE4720A0531452B2F4E69A5488CEB7DB9572F625589
x64—Download7DA66DBBD130BDADCE1AFDF66B108F63EEA2CC028C3BECB8B51C48F7B333A403
arm64—DownloadA360FDD965D07873FEB32B846815EA97705306C523D36AD132288AF78C16E9DA
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadFC79246AF3DAA565B6FBAD8C5BF721EF04AA730D85CFD6996BF7FB921F41AB72
x64—DownloadFE8610E85D1CA277C715C2A172B69D7954E152B0D69A3D70A3A11409FC301688
arm64—Download3D5D9304BB3562C1091013029CC39A5717747E05C5D9DD4D626F24894748D28F
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadEA67D296E7767263BA2340007EEFEFF15B01B1A8CC326E32A0E5EA173FF2A13D
x64—DownloadF2F32DCF80795FE2EEAAA354FDA5668DDE898BF70E972C23BD8949C3BF5DF64A
arm64—DownloadD46E4A28A78B9887FECD921F40917F3E1C9C71AAF69932639A74240932303786
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadC4FF9088339652E030E46845052D0F6C01FF8B7C00A0A36EA2DFC6013AF53ABA
x64—DownloadB387285C388274A1CA74C3952EA44F70ADB7363852248E21F1A180408796D2C2
arm64—Download2C8CC4DA1A16C852B5EB928A9C6CAF8E8115DC91E93F4056CFDA1F49D8CC64E5
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadA1D8354F28AD79EA62B4F7793E0C0920C74043492DBBB088CE046389B1D39093
x64—DownloadEF6386DA1739F336004217EFFF9C8C2EDA949DA4413C8D0ED12322940697AEFA
arm64—DownloadC84B1B9F4DB27D7F5A697BB67249DE19445E832586D1B4D7A61F7851AEC35793
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download8068A42E099F25F43C7AE0F93D0868838CD57B20058D91717F3E846BD054F913
x64—Download8EDA538EB1DE05112388E0684D25CABA4874F3C22B940FB1FF147DB9A57DEAA7
arm64—Download180403CEB0E0D45EBD41BB5459908D02608744D259D81DC6DC92F462D7367BF3
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadED03F24660E63C14B64559D2A48F3F34B2248D1FE41F17190CA9091EF509CFE5
x64—Download8489269F410BE9DA87F8558C0E790815C9AA1C0EB11D48F3FF7AAC1A14C50603
arm64—Download87C8DA6555A631D8C8D5BB3563650C462740459BB40EFA7D3474D120253355ED
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadF26EBD7E13EC7ECDC14A083C7BC8D5C444C176ADF8F787B3980DA28589630004
x64—Download49F1F117EB7702F866E1E54BA390FCF62839A7A5AE6778AC80F3D82BFA895161
arm64—Download3904CFE046E30F4B7FB9B919036E9AD0D0AA0190F7AD1D72B13258A03DA88333
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download0F67AB83AAC8302FF9A52B97BEB95726D873137DC0B4C490E3577FC595EF36E2
x64—DownloadB0D5E0E65FF2D9278F2E594CE67E17A371D385F9CB02E88E496662128F58C6B5
arm64—Download8E2B160E84FE2D735E691B310BCD69AEE8E3D6A58D7AD6BC312B3056AC6EC771
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadC64F0E77206B3FD05B04D88E2E339EB365CBBBAE189C94C16F13F748147FF147
x64—Download873292EFC1732C70ABCA578FE48EBD9F9BCDE42D9A9262030D4F73970FB8C200
arm64—Download972E3371B68B669FD37DAEE4321B89E8479BA26A9860E2BBC7E2411435727591
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadBBA32ABD6298FC9F5376E541F338480CCFB3420E319439FBE7EDDA8C92EF09CB
x64—DownloadA389F1380B425237C707495F704E86DEBE9FF84640820F3B700E54605E359833
arm64—Download459AD476C93B3E4BE075BBAB741C81BFD6F9DE428B0358A1C64AA886BEA5450D
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download2232711CDBCE3D3B29AA2D1240187BD64FDC23733F41C588244DDF4EBCA3C4A1
x64—DownloadD6B13B307E10797A7816E2E1554CADE9B505D2E507E58A197E900A7CF77AD5F5
arm64—Download8B21861D090B9FC7A1E347E492C1CE6C26715950C2F61B154690BCCF4BDDD238
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download035C6585A1A9FDFD6F09BAB75897CD77D9C8A3D734B5FE896E6753DD5DD61BA1
x64—Download512B90E464FB45472F578773CC021E51E9F396295E67905D715E6CB6F86056E0
arm64—DownloadB432C53E30F1C8A744F0D46E6D1B684ED4F56D84725CDCEA1AAB1379670A5CC9
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download4E10E82A3DFF1678019ED565D3BD8A9CE39FE5EE8C7ED9651926E0352A590E27
x64—Download5600D8C9E228C60AAD643D24747857E98EFF113D73031C254EB67997D47A4ADB
arm64—DownloadDABD65F110F0B22CF7C070A1C836D274DC469B493B0F13D6B561F0A58F5CDEBF
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download335C825B683B014DD89509E1FB70CE4331E9A17D3E1ADEE499A32CE2B14BBBB4
x64—Download243E0006E319FBE495A637B42B79F918283FE1D9B62838E018612773ED3FE0A0
arm64—DownloadC5E32C7FDAE3B90BE32DDD4A7072B365FE703F59F0814D76FEC013DAE84D6DAB
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download8D16598B0E898C7F6CB1DD7B171D2FEF661815D0475A067F7F226ED109742BE3
x64—Download534AF3BE81E0C550E9FB65132594BAE63E25BC1C4679FC3873316EF9D009EB97
arm64—DownloadF82B48CBBFE0777AC5615149C21EFC8816EF16FFC51FC89A7D8D4A885E82ADFD
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadEB689BA6383F876DCBAF8CF0FB0581411E96821D20DB650A648385EFB34892C9
x64—Download2D33826A848B9BE8D011C7E4FCE00997E83B2D6CD57578736D7CA18666F074CE
arm64—Download6BEE303134B264738D0F603A491F11F9B334964A3085B9E0D5BD1ADD88B56EA9
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download5C5D3B6FC028350AED155AC6E34862DA6108089C3A32632E4D95E1E496BA564B
x64—Download5A5140B96DAD0CED20AAC7A548BE099E0EDBEDB531D959A49BBCF31858B31A34
arm64—Download1BD5FD8F707401D58FF4EFFC401E5A6F616984BB80539EB99967DDE8D95D0CD6
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadEFA163738A0E9FE02B4C13DB377F539C97754FA8DDE785E0A203598F25E4D204
x64—DownloadCFEB83615D9FE7277C8941509F1D1767897A278A4AA8D2993EC5DC5D1FF3C99E
arm64—DownloadCCFEDC609627B70965F73ACEF549337F9EACEEC8B54C4CD6F678E3899F59B579
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download73CBA51030916CB14244460C755EAC35904538C283ABD32AE1C13EAF35EE6429
x64—Download1E1F96454318E7CC2E8EAAA15B1C8BE4FCA56AA11BCF6332FB9605FAC071E9EA
arm64—Download6794FF388C1EB14FB633E968071AFD47897BF5B712AE0AED58DECE2BFADB9E7E
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download150DC5F066C27C6DBE4CCA0CE852F902F4126525B69833D8A389CA58D4065C3A
x64—DownloadF7A6FA4E32FAD7BC797472AF4AB4185CE6AFA3C830CB876812BBE4B45BC4C3C8
arm64—Download5DF50096F1A138757D136D5980B1564E81089B252B158A382E188451A39038D5
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadF6BFA4DA5EB0C57F601AE55D44BC9965D111A355CC5332A43B0767E4260C22B2
x64—DownloadFB246177E8F9C85C0739CCCD03728D1615C1D134269DE6998E261563BCF9595C
arm64—Download3573EBC3E1EEBCF60995AEEA4F4217DC374743CA30BC58E01250CDC88E92674F
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadFE5D336C07E35E92CEE25D737CB8572EF8ECF910691319A6C4C0BF42EBA807A7
x64—Download77CBA1F364C224BD3649E07CE7FD998A274CE522CC187442CBDC2B37C2205631
arm64—Download7F0D0770F77DE2B843E83A1025E9E9C6A399F3AF1BD0C6B573AD7EBE3F884C89
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download11DE8A1FE8C297D45DA446CE59EBCDE704B95A0882DF70FBEBF68565D84CB02B
x64—Download6015BAECCB3FC95478908436DC4AEF193746961A06892A677A521513A976A959
arm64—DownloadE21ED59FCEB4E7A858FF16A9503DA23560E5411EB10C1A364BF971AE917BBDC4
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download63CDCD9ED4E971830C2D61552B1091A77F474E0021352187B3E5FCA13E698659
x64—Download74695720435029B20018044ABD879D020BAA43331E6704A4296AB3C1D8A196A3
arm64—DownloadB9155CE1C13B9438E972707C46D7E2F8FFDA3C0E7D9D13B909734545FB47C5EC
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download7DFA2E87C2DD2F8BEBBF64606D4EA4A6A0D6F5E79543926BFB5C1B5CBCEC94FD
x64—DownloadB16A00B973DB877BAD4D198F9E9C44148B8E6895FEB85BE0F7A64159D8668239
arm64—Download039DA695AE976F769E48532E248A2F0CEEEC58D1D4DFA2E0D7CDE72393804CF7
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadFFBB4A2C4B29C5D546B0A5B0A4632CD004930C8735F30CDD0708EB787F45C3AC
x64—Download09C4FD214B13DB61E6AD197ADBB4360485476F01E8F106B4535A44345FDF8299
arm64—Download189EFDB7CC60F19B9D65269E02CC4679DF482A6C5722E0A90091024FC628B31E
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadC14AD616B37A8F601B5F689E3FCE43A1F8B9EF3DCBBF3EBB774C205BA2CC0FBE
x64—Download0E03E75FB255297E1D99C7508603CCF6C2829430676F67926B8F45240536DDAB
arm64—Download3E9E1C8EE98A563BB88AFC1CD29387834303C1253752904D1F0E63D47E22CD46
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE1CE83A3F3A96545C222F58720BEDD923D1B2E79D14E26C6C897754D0F23013F
x64—Download443CAB472637BA241390937ACC0661F98AC465FBAA409BB26E30CB833551309F
arm64—Download43E9408AD0040562C914FC2CEC20649D628E138A953EA218B5A10AEA9955ED8E
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download91BDD93CA711C4DDD1D68F872BE77A9B0C15DBE5FF9D265FEDDDE2AC546305A7
x64—Download799E360C35D0A732DCCEA21BA017AB96926D649D9D2A0C2AB94AE50C92B2E816
arm64—DownloadD4948B5551E4BAB66394EC83768E1C6B0AB4335C42CDAC9AD1750FD794085C42
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadE1397D2F213C769FBEDFB8BB4D80E3F4B82712F37CBD2C03920A2AEA003378CE
x64—Download9EEBA7945336C22D1F409DD328A8EA0D85D22F78BF006D08EF481CA1EB294182
arm64—Download0588A49E23A6D4313D70CE0CCA99188FD8E05EFE89A26904B3DB2456C9D4A6DA
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download2186C04FF6B6C435C2F911EE20E3C0F9D940FF4594370D836397344939FAB145
x64—DownloadFCEA2AE3B2298125FB3432771B0A300D4E3C6827B0F1C8F0BD7B9F06AC964916
arm64—Download0E2416ABA3DCC50B6C5F24BB8997DE5848A123F8ADA0B1ED53FB359840D1CCC2
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download590E93D0D4953057E001D24010C6AC38FFA0DFAB6205B14D7301C53159F3A65B
x64—DownloadE8014BA388CB43A78CB701C410C006E21D3E4F15C95500F854D92B6B2C2DA860
arm64—Download6D14706CE67DE026258786C9B7A85FC51B3C5FEA972D1422FF09EB286BCE5CC3
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadEC8EB24366E24F1625167D7F8951F6301506E9EE271AEC39B99F51FDAC5D8F92
x64—Download573867D56D2E875E23709EAEC5BFE1FAF752A83E6828DD755845B67A37320E0C
arm64—Download0443C7263432C296CC3E93AAE5D4531DC2196A9128C8ACD963BFF07A56667E1B
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download5D30D83A0214EC636254E8923D244DEE3C3799D99C57FAC3FF0F90EFCF9EE517
x64—Download0E69BE5BD2B4302BCA1CB69C3961DC34912DC3AB36172825C53E64F7CA7F289F
arm64—Download34C00CB6A10AF562BD4A49AAFDF541D7B42D942D7135F0AF6629FEC316C7F7F2
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download719A4FBD30386339C14BBC66E887AC8211FB01A799770AD2CCD5B65E03300014
x64—Download1A4F8B02F30A623D3B352B8D7F026AD03D50BD6F2FF872A24B2AAB527A6D465C
arm64—DownloadD9844622B96D4529E698BBE4E3EECF4AE30FFF3C5EB4C0380D9C8D4ED904556E
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download20FEACD3994BDADDAB78DDE125C900070CB03AB416381CF3349089C35EC19881
x64—DownloadC8DF42C8343DD189C0D07D2BBD23AD113163464C03A23FB74D3BAEBF3F2D9D24
arm64—DownloadEE7857C3004DC7B29F6159CBCB98EC6FCA4909619414D6C766488E3E05963B67
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download9CE7079C7DA7D939E77DF467A12E0ACCB1F5D52B5033B807559D681E099D9B21
x64—Download2AB0B87C5E478670BE8D21C5FE38AB8D3C1E0568DD77E196EAB3451FF5A80A16
arm64—Download538A416E21F94812F95C82111EDEC5EE0C3D7A1901B292943FB2F1C636FC6F23
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadB821B105162F29D4B5D492D5DD687AEC98550FD6DAE1694D0DFE8B807BD28668
x64—DownloadE05EE960A23A7BF621FDB6B548A8C95FA2B241AC55FEDE95B8491737524CB22C
arm64—Download4324B827173015E5098D40D0EE8908888DC1A540DA5E0EBA5F73CF3C4E19106E
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download825AADC5A553781240F4EEB4AE9F3D8F9B3BC23796747F05728EC9534E2B451C
x64—Download4C3367A2D0946F9A764C02726E871F0ED945158AEDD2B2D94A21A101B3055E15
arm64—Download0853948B8F53B60694DF7B2A4AB51BCF2D887D850A92A167D0E16AB402589AEB
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download63752BF089A0E1AB1781BD64A32B897BD2DCE43CCCED71F0828AC65C4A008A62
x64—Download37AD34C5472C7BDC3A1357118D365658357E872EC4565075C09C13F7ECC8F2E6
arm64—DownloadB18338DF0B16440526DA160251F0C630AD63C6FC3DF890A3D31752280B301CA4