Tuesday, 14 July 2026 @ 14:01 UTC~3313,430150,790

Mozilla Firefox ESR (ka)

Mozilla·Mozilla.Firefox.ESR.ka

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

winget install --id Mozilla.Firefox.ESR.ka --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—Download65AC1AC3596B1F46ED0111C48816BE38E2272E89350EC1464DA8A552247F4112
x64—DownloadDB0E894FC1A745B5D29BB8DFA29DBE0335B79ED2C0AEDEF588EB8F3F75928FC0
arm64—DownloadEBAE1468CDD79958969BA6EC727E10CC7092A11A035C17DF6728C72FF973CBBE

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—DownloadDD219AA7E457DA91B39F39BBF602F8A041496AC6F935E6AB7DF6F2C4BD6D79C2
x64—DownloadD1ACECF1037E06D8D495614DAA5D7F8296ED9343DE50A3E069158D61432EC285
arm64—DownloadFBE56479A7887233EF41D5688C11FF2A5BB9B163068E52BCF53B035BA61721A1
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download12E7604C65F99B2B1AB67900D424CD58C0A769EEA00F4C874A637A34FA84F4BB
x64—DownloadF233D02D241D657F8B3AA5C03BF579DC29B94B703A4939DEEE49B0CE20FF047D
arm64—Download6CD18A6164E77B2F0C195598CBFA78A0117F03541D84EA85DAA0B783DDF9EBDE
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadF494574F93B0514EF063E4A8809C59385DB2E19186329969921C4299DDA1F077
x64—Download9926ACAEA1A67AAC78283E2C860E220C278D5D19F2F38A3794D3B92483AE9F2C
arm64—Download15618EC55F8EBFCF0BA597226C40AD8F860797CD1618DB533E352D7A876A8F2A
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadB4D5BDC5994F400D87B0DECD9AD944E1748DF312F9A4711AC6B0D1E3DA24D6CB
x64—Download126BCA22D278B0A717398E5BBECFEE13A87964C974160F5E0C5A1AAE0871CB75
arm64—Download4050FAE758B25027A0CEC30122C2C1983CC9C5576BCBA6E39AE3B76754FEAF73
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download8535E3779A96CBDD6BBA4A4CD7DD85ADE0025318459C96394411065C106F8A15
x64—Download7914A7CA818B280B1BD30B4BC13E0E1BA88F701E812098F593B2438281345A0B
arm64—DownloadED108FE305C9DE567E308221959D513004F910408D0600A16095DCBE0E6E6083
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadFB30E20F0265B03E4C9C76799F25D66AADD77461CA43C7FEB076DB375FB6EFDC
x64—Download9E49818D1BAE4E8B48B003FCBF02F05CB6B9E53FB9E33867B75AB94BB643AEB4
arm64—DownloadAE388C30AF3D2A16013B28181EA8BFD31028FC75DBBB368CB92586C9509D72AC
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download5B2BE29437D77467AD53F81542760BF0F68B63E8FC31FC9C84C17C903078B3B1
x64—Download57EA326859591039A88A33277D72E02B78A0D2E768D3F78A112D40F3DD575C51
arm64—Download6C163FDC9B35DAD739BC3DF739BC04656AF39E0D8815A66A332C6377F1F4E57D
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download22B68B9BC3684B8F4183772BD9DA3E0CB0728EE972F8CFFC92B6B3699021DF34
x64—Download9F735B1BBCDA007C21E3009BB7704BAE79ACE177C3DB87B483CB506E9DD40E45
arm64—DownloadDE3FEC3E15DEA1FB90AFDB559E5515133C581608F28A2265DBF99B3663CC2ADC
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadCEDD61AD847A38ED414D63A22BA7464030DA69744FFE467A34FA9F05CEF21BAF
x64—Download279B1EE73E499959FE1302D8341EE048DF9D720722B4D22089F2F5C72C0DD3B2
arm64—DownloadA85AEA12F516E137DD4121ECFE336F70A8BDE4D30060B5FBF21521AA3FE86236
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download12A12DA39C5217BA6EC53A801605955543D3F3D79AD50957A2541EC8F6335D92
x64—DownloadBAD7A7C74AB4C6AAE38FC1C2BE7ABA06469A0E2B2E191019933325E07803FD94
arm64—Download49AB61BE21982D93CA4C9CBA43600AEF72A0E8F65523D20DA2ACF850F91EB24F
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadBC85A25F0BD8B35E26492750DF2BB519E057AB47EECD263B64F6E340F0FBE9BC
x64—DownloadB627482EC3E95A34B10EA772A4ED43FE8EE2EA53D86971CA193E2D7A739A832E
arm64—DownloadFC0E156019FDDB59AD77CDD184E6CAEF5F909CB39ECDA7828BAD1F857AAA6C2B
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE68E0DDB52F1D18FBE30E46D9F648E268DBABABFC82FA76432107DABA0A91474
x64—Download9C7B384CB9285A67403D50A6E4387CCFABB1C5A437F52D7C01F0D5A920C859A5
arm64—Download7A23449B6D6FA0369927E0059161E86A8FDC7571C5ED6D1D392C2DCB30BC308D
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadF724329814543F82E891C34283903EB5DB8380F5559E70E9D89A6481E871EA02
x64—DownloadE6B7D48E7EEFE550BB675E91F933E2B9E51146645C624461F12DE732A701A78B
arm64—Download9FDF901D2A159933825C446DD296D4F815FF1379169C66AFB8E0EC776337A2A1
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download9A876D3C712933E7DE4A4F7A1080AC13CD0288ACF6E7A3CE08A2316CA019A65D
x64—DownloadE75D8825C361DDE07B7AAFE22366FA42C55F07E87BAE7CFA4DEAD4B9AFCEB047
arm64—DownloadD1F174241EAC1950F18EA8F0B3FF584EF9218B3D1EB71D66BBDCB1AFE3D6EF07
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download1620950F32DA0A9CEBF600A02BC551A89AADF0699758B61DC0E8F0F03B9C056E
x64—Download3ECF8AC29852D40B8B016026A7AA316208308B5F0674A35901EFD880FB310165
arm64—Download82DC08862500E3540CF2D4F272E28ABAB0FCF64B7B997896BA2AEC99A66BA493
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download343C430D41CB06ECC12073F875C31FCC0E044E21930273CE383A309AAADDF8F5
x64—Download3E0E787E72CA3B69F6628C1C059381C49B245E74E08FCFCFC0E3F94739F6F710
arm64—Download934EBDEE8597AAE47EE434651355D9D3EEDF561669BD510D6AB79450954347C4
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download079CAF6D9F6142901B1748186B7089FA5BFF90543713A8B9CE8D9FA08519FDCD
x64—DownloadF027572222A5858FA96AA32478692EED8BA1B8964E4803363DE1235FECF7CC6C
arm64—Download25EC787EDC27B2F80BFA749B70F7920B420EE36F15BD987BFF7D6F9FD36245C8
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download0151C16B33B9F10A5211C503D6E1C1391A26B7B41C327BCB9D01503E5CC338DC
x64—Download511CA8FEDB6302C44DB9B9D153125AFCB9A8F081E4E6D7E8B02ECB6C75E09591
arm64—DownloadB6828278A9B43E6DC38042BF728ED7981CB12A78E9B23E1623A43F11D68C20DA
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download3CC156ABC7D9EFFFFF1526E132162B45A340ED2EFB433B1993E5E0436043AF6F
x64—Download59FAF8D1E13EB4F1EDEEC8F55566BE142291301965ADF45FC591E5E3628EAA77
arm64—Download9C9B7BCDE5EFC96AEEAD6594951F910E004EFF3A585533B7CC156177098F8153
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadB7AFE570C0D72D68B262E3D9B64DB59D87C82529167D727CAD0D624050182A69
x64—Download669A1873800FD967718A99C7408240E4371AB9443F90FABAEC720BF401731B65
arm64—DownloadACF285DBAF1E49E1A773BCAFFDC0088E0FC21D42AD0D077529E9BA01A67A1F0F
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadDF30F8AB8FB7274F35E814BCCAF8CD2FCDD0C422A8C8B0AF9FCE8C0566172FF5
x64—DownloadEE992B0FCBD1CB7C4F08C5A1CBD685578AD1628D7906E80E9B3D1D71AFD10F7E
arm64—Download214294AB72C61FA96B9EA65EC3FB73F095767D4570BBC50939A9C5F4FD78962F
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download6B533612EBB35B6A3812085F6B5F2616E2D4BD112964B17DF6E7EB711467B25F
x64—Download0CE46443D718BBF6A53FD24E993D74B37885CEAE717252E54729CE353014C546
arm64—DownloadD0042147685AD73D3D521D64499F89D0A6109334E8A2F10CB8C94417EB9A9FE0
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadD3BCA27B98FC48D273ECE720FD5206FCA8D68D3C70461FF485E880A86319C744
x64—DownloadB5151EFA7995EC0494D2C3E438D3711E7C95937E16A63F4C1DE2BCC838851DED
arm64—DownloadBF39E309F82260307F550DCC2F3F397ECAFA3A719E6705B5D1B64C8281074C72
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download08EDDA2C92776731BE53C8E6CA6433E45AEC2D1A0077004FF4D2CC89D3D478C3
x64—Download111A58BA796B643914E3D633DC504C1C6F84E74719512F13EBEA5DA104154101
arm64—Download7B0BCFB548BBD2904993E3372C50904DC5998E18F347D7FF71C311AA676C003E
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadF900D41CE4083F41F85EFA928ED7237300FB08347D0AE5001DB331A7D5847ADC
x64—Download44D1CADC3D29623BB7FC16E659FA7810A0A48948B8CDC93D81C092C24B9544D9
arm64—Download7D27E97267A843C748BF6C593036B4F288C31EADDB87C08C1C6043D8EB4CCF55
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download8412782B222660B43E9ED0D51F7B392CE53004F3F5FA4C2C53E6BDD80B3C0473
x64—DownloadD8304AB08FDD363900700BE8AD059A9C89640F8DEC764C1631435150633A243B
arm64—Download54C24C640EE7117C64F2F47EF9540FCF63ADC974272DEC654F62675A0F5F3AD8
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadDF4313EE228FD3E624D8667D7F83571402C3F2C818DB548B39CBD085B96F7912
x64—Download0498F1B136CBD9DFAE088FCF1D3232FB79596E5E32A26CDCC1654B69BEFAA230
arm64—Download7B43CB6ED9395D4F41EB71EAE826E4A28CC70C88A0E2424FB338C3D0504B6E90
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadE77723D27D6168C94B6DDB0A93F70351150C5F60486A2E2BC3F1780DC7CD90BB
x64—Download88FD043F0B3DF5F3CEADADBED1319EE20A1ED667B32EFB98D15215E1E6040AF8
arm64—Download6F94CA55E22DBF3CC0040836416499EAB20FC60F90F2D9F914902753AE84188A
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download7F266969B52CC270102219D37E2FB34A65885E73DD4712E1C74A16C0860D7E07
x64—Download8E51568224447B82D7BA0FEE3283B4315277A0F7CD30A47DDE7BFF7D6208B54E
arm64—Download305315054F74925E4341798004745BC3C7B82CE6F1DC18E9A23E9E7BD492CD9E
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download4A32320B0D67A0A4DB5B084F9697E40ACC417F48D38CEE2D27F91019102A088C
x64—DownloadDA65B8ED5A805150BAC9FC507E1ACA69BFEF930FCBB846F4F55E102343A1BE68
arm64—Download5A491716C0E36068B7D799C2FC5E3DD38F638CEA5AE482A932765F5BD7038143
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download0D37F37B5A9B873023549E44E752B6AE17620E8D91EA47F99E3D977F94050745
x64—DownloadDF14BB461AEF73413DF987CBB5E2F29030C3D8CE45BB69BF06BFA38D0CADC262
arm64—DownloadAEE17FBEAC40DC97AFA5A330CFD99B9185AFCAA21EC7432DF5AC15F5FA3FD3D8
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadF08F2DA7E5C8402BC2DD31A49C965187356F35AC682090825320A5ECAF7346C9
x64—Download42DE38879E243371C7450C8200E74CDDBF6081E43AED12DACD60723B4DA33BB8
arm64—DownloadCC27AEA781E5C4B3633199A708E691EBD6803B8745D7000A5CA4248E852926A0
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download1DD7BF14A362D68AD56C1AFD7F3933E4EF2D6F62802EAEEE025C07F27EEEF838
x64—Download89D71933D6270A1A9F9196F946B60DE7CE5765DEF0E5DF33EEF1C336C0733357
arm64—DownloadA99EEEC4AB6FBC1D74A795D1211857799B13DAAE16F9CC73E12FEA43C2B02C94
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD6ED9DFE08496A3901ADCD3F2F5B1B9D29EB0C50ECF8BC0042E852186B00F960
x64—DownloadD9E6E10CDE4A7C627625F0A3DD4A8B18295C9624A7B1A5D360B0EB8FD14D73AF
arm64—DownloadC09BC5BC0955DE027AA83109EF8934823DDD88DDB8AC060669AB2FB46FA7F11C
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download0AD724ACDB4AE929B5E63D7797BBD4465E2739EEA566B4B4E11D6ADA82499C77
x64—DownloadA3AD9B8BDA3B5E03D9664FF68A709FF56B90658D9DC23093F3BECA7006E4D2BC
arm64—Download7BD8751A20C594552449505F5F5592B027A180B6463ED2DEB4DA90923C519E10
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download9413D8C233035EDCF70DF016241DEE67CF1B3E4AACF494247A809E6AE542D6E5
x64—Download15937ABF2847BB23B24ED821490C815744A5A079FE4C8018BCB8766A56B8BB4D
arm64—Download02112349F488EF4EECE3E4D969798CFA4CDEF8D17610FB47CCB9F3847DF6D903
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download598EC5A86A7EC387A2D2344759B4678549D7A6E4B1AFBA4C345C564A1A21D44D
x64—Download074BF28D6260CC5443CD1C907E3A3B614D4E1F60578FFE6FF3B207915BAE6F83
arm64—Download064D6DBC210789E18F664C82A5699264C4C0B599E62122081E1A1518C41B0D54
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download0E25796691B6A497912D0F90E41E1DB046E8E6BBA0D04E065FDB2EEA4E4DEA67
x64—DownloadBDD9C5E343B50C6AAA9EFC3F8C5F13E99D5F1D8E064FF855C6A2B84C1AA82E93
arm64—Download61D9C1B68811AEF2F59A2966265DA3E2CFA50C93D339A5DFB0CDCE72B49DA3C6
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download5E19AB05F4A8479A337E78BF76AD5D36FB4877521A070FE6D16E98E49815F580
x64—Download1E30B11BD6C7418EA55F24585642430DA89F8DC93753D0B02B3B19F4ABC3E6FF
arm64—DownloadCF48FFAC176EFB2E927BF82414D9FF443479D3235CF76F60BF750BBC1FB54DAF
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download8421E391BB6EC2EAC22E518538BF6A807711F28CA4BF0905E55446EFFEB28FAF
x64—Download021098B1DF26DCB875DCFBA837C978BE8E66DB91BC3CFAA0F31F3682AD175AB4
arm64—Download1B4922CAE55961BCE0424AD5EFAFC359DF8C16B0B0880EB3DF7AD300CC6A5994