Tuesday, 14 July 2026 @ 11:01 UTC~2213,429150,744

Mozilla Firefox ESR (mr)

Mozilla·Mozilla.Firefox.ESR.mr

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

winget install --id Mozilla.Firefox.ESR.mr --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—DownloadEAA8B95D168739379A1023D89B0E6B86CA74CDC38A84674B8FAC72191F7A4944
x64—DownloadFC4B3BA51A04450699C5DFA72C1B96916F2D713B83E3A09766928B9EB465E3EC
arm64—Download8AAE87E8D315A3827C9CDB8877BD5FDB8BC5BFE4E991F41ED2C3239BD05FE19E

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—Download1F2325E1902ED540D96F2293FDC31A96B9ABAC190017D5B7D018A29EFA36BE7A
x64—Download69A24D9A9BFB36C12B5B283B28F8428851BCA03CBEEB79BE31C19D08B82FFD08
arm64—DownloadD5A53390D97A49E279F2824334A3EECAEF5003045AB578497D04924AE21FED19
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download9225384E19EC94EE296F863019A878146B9455216DC2095445D7E9A827F8BA0C
x64—Download59C04D9A79EE17B3154617C948804A0A323C156978ECF69E9D91B5A5985044ED
arm64—Download35457E5D9B3CB1F0A254186720AD611000EBA1C161853E42D33FDB3EA23C1A9F
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download08C7535959CC13294AB9104F4769C535A2EE432B957489B11092C2349F3AF39A
x64—Download0AB53F9297EE13E1D4B8C025ED514BC7A8D84951AC75845B1968C13120B48813
arm64—DownloadFD7E3D97C6B6D9FA8DF4BAA22CBAA92307F9F194415CB090AEF95B6BD6376D22
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download687DF73CB43C8271A96A9CD63D9FB2CD8AD28ADD1B5404ABAAE3362C737EB4BB
x64—Download2B9036AD83A2A849DB457E1B750E1C1C18D9BB4A7F8F5784F4D5CE5681CECF9F
arm64—DownloadDC456EDBF58AC47EC6E821178ED33CEA35189A10723DF072EE01166EAE9EE05D
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadAE628DA22F36ADD49BB4DDA3F7A4F3503C028EBF558A69874BBC171893444938
x64—Download7403CCC243EC65305ADCEAF6D6432E48CA3474453F2487EABA3C3D918436B383
arm64—DownloadBD55C906FE106943629C48346E5BC3A3B39F8E9343B2AA7B09710EDB499A1092
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadB58BCE0F8F1A11A266402DE9F2DCC3C10D6C6B7E2A30164B2BFD0A2A7EDB4E2D
x64—Download91A42636C11F23137E8A139B0A99498BF1712F4E1E83BDB021A130A9B8F680F0
arm64—DownloadCA681873A221201D41BC8F14FCBD4EF9864A462EA91C2D14D7DF82CEE9885226
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download8309AAD29AC84387325A8681FC1EBD4B6415EE425855706423C3F896726FF0E3
x64—Download17F28E94D3F88B879A4981AD3B2765086C095A2A0E06AD82FB9A2C1D16D53110
arm64—DownloadC94F1240D0A4DBAEA5A28AB89B06803157DF49963D02573BCFBC3D5F4C44AD72
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadAC4639F9E95087075A0CAF1B0E7A330DBA65F2E7498C6F36692AE85EE6886080
x64—Download9A4F4A8FBF0242C371B7714893F5D5E68E3D5DC487DC341085AB99F29867D47A
arm64—DownloadC7B6ED4F9D09BE491539DD5F5ADE0CA3B8F71004F67AD7364839E85B1ADDDA00
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download0AF98B56D1EF587A4645FCFC38F56E4A5AB77CF5AD0D2AA6F026700D2B453882
x64—DownloadD02D59E2AF1F2CEC524A3B9F7B3F345109CFA9DFA0097B743AA40329E53573AE
arm64—Download0FDFC737B8F2911F67622B4AAFC4C26BF029D5700448E5AC8E6104540026EEEC
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadB88F3180CAAECF8B33899CF05F81333CD18EB6F147B943F82C1E4A8222538DA6
x64—DownloadE809E6E62C098E8B17CABDA306D5735EDB1F0E3B92709B8EC8B5C748286AF509
arm64—Download5281655EAAF3BAF1349578F257953413A0D8042834D8AF3F839078E0E6600128
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadE75DD5CFA5CFA8516FB324A2B99159F415D95760EC9938B1F9420117CC4B0B8C
x64—Download0B8C018F2B7ADB18FDCCC4D8EA170288E84089DC56307A841E3367FF0500CC1A
arm64—DownloadC41CD2DE1B2ECBC7190E942A25213456C607032F3F61F01725892B3E554F32D0
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download02E023128E04F5CA97D8CF5C285361D89E936B968AC8BAE5E94FA165A5713E6F
x64—Download319F2E50C8B332502E4A3B5A2D187822709E25BDFC929EE53481406A2F17E040
arm64—Download05D5C4BD5418BF140FD0F5F0A666956C05B9399A6D5D0B468FCB015920220013
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download4918116C0F839D0C63CBA7DAB3D6BECED76E19A3C514CFAB3800A3DD1BFFC4FC
x64—Download9B694969FF793E5BA7B9EFE21BE9BAADB8EF3C538631096E4213025BE8F812B5
arm64—Download7A6B93E629B4130F23CE53A7ED6938C701D96B4608DBD78B39A6EAE7C02C2616
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download02FFE9AC8CCB595F7D82A2174CB3E27C888894D838DC8ED69D55D38B2C8E7639
x64—DownloadA6C906C07DB80065278D07D836ACD1D82418572D9BEC111E8FB167648B4B3EB6
arm64—Download8033DCD888E97FC212F2D5F648E140691472D9996512DA2713EBCC5089647762
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download3F2C63E4B1D5087285880D44B586A2A07FA5E4851C296501BBBEE8D2B7266518
x64—Download17A92870B2A95AB2A3AD07B7BD72A699C3DF39C2474288E80C16EECC18D7C4B1
arm64—Download0571C4B06750CA19599E943820BF16D87CFEC9A72A4311875C27982DF54ECCBA
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadE694183C6AAA4CCDBB85E0617AB28C36BE69C956B23D18305AC2FDEF0F4EBB95
x64—Download1A333041F66BD7C550D8390AF21267745BC3CE73E63C7CFC05427E4152AB1937
arm64—Download376A343B6CEC00E641A766743D71A2E35AB9DEE1D2C6049B0D2BA9472CA57D40
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download9D4F2AE7FA8666642D941A07842C4F72363BDF0CD311B5A05F64203969D61CF7
x64—Download6802DA387785B3DD825B8D2FD55539779F12D19ADAC2701F503793FCE26C3C52
arm64—Download4727DBDD4BDDF0A09A10A940514C0E760EAD4E8FC706747215DBB709F9BBAB5F
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download3449A86F35942F45FFE9A7FC1A29D970D76C498B3156D6430FEB01C097DE76ED
x64—Download3FFDD15D2A4864387D982ECE51FBC71984F211BBC3211C72AC6ACFDCCDABD24B
arm64—Download35C92A89B7EC894972D627D0B60BF5617452E6FA390216006130AD06D5FD851F
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadD1ECEC2E63B5EC00ECDD38F3F60F6D3A1D48AA13F12C47EE0BC6DCD9DDFFBF81
x64—DownloadFFDBA775D9863171642385FABFF4BFA576A824E4B9A3057AB2545503D7575939
arm64—Download66B848B485C370DAC3B554CC23E20AE84A45BE9DEA05F026C6A2F7409E1D9377
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadC7EE6D76E7206AFF0AFBDE4B31F084C6A9FB895463D7821D6DEAE9BB906A7485
x64—DownloadF41805896A81C73F2BF02B345A6EDFDAC346B02E6FD41CF37F27FEB7E16E3BCD
arm64—DownloadC8C893618BBDEB6D387333C22473613EBD16C4198DD7E50460F5D0048CD821FA
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadADFD457515038393402BFF35C660ACD598FFEDED7800747A60410A2531025DDD
x64—DownloadF8E29CF64C13E45D9AB68CAAFF9713B8E95AAF9055A190B31F9A09AF6245D4EE
arm64—Download9B68744FD42A4CE6BAB4AF664623F64494CC017BBA1002B67EC7ADF7CDF9FC46
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download0A6374CC501133E959B6DD04B3BB8BF5C631F311D40F6C08EFA00825F8EA9D07
x64—Download2C9CAA156F543CF610CB0A0B5C9DCA7F8D79F795B566E6767D4F5A1780F6EEA0
arm64—Download015B5ED78A1115794B3BE175BB733F8B32E405D13F2D8874B1AA1E4582DC8B88
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadD2AD1E0D032B57C19EC4B515B71C64954384A6D2A9B0BA251DDA613843E3EE07
x64—DownloadD85758E77D1D65B1B84F817AB932E6DC113CC02A92B6D6DEC57BF18DF1D144EB
arm64—Download1DAE7A7D3D2EA434A14EF9979E7D67CE1BA370700BF7EF383D9EA83598377032
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download6EB3B2A0B7E13922983163DC9729CE14D1376899744EF51DE3960F55CD695453
x64—Download5D9F58A43E917081C90570E4E7EB8A5B985363F8A1B3D6249C159BDFD1091350
arm64—Download43EA31C3D447859BEDFF0F5575AB25DE6B7C605DD4F17ADBF4BBBB09F5EFA692
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadC6D6486DC213FABD10B8DA739F5B83EA3EEAE5CE58B4F97AFEC7190BC349043C
x64—DownloadEA79A9710ACFB664D6CE5CE39D0856987307D24FDA4BB99B63ECA1FB0ABF6D3D
arm64—DownloadE9A51CB9F1F9CFBD5FB6EBE8F1A7577DD32CE932B5C1A46CBA65C6AFFE5A3EBC
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadFAC902B788E485FA884182FA9976427675441788A3FE5305F9CE929D5BF7F551
x64—Download4D1FBF5594C7B1A7256154D8F480B6F48F8721810DCC63FCD844C9AD38D09A66
arm64—Download67CA1A3B2B6AA1AA9FE1C990BC9704068ADFE86A6FB308FDA2B85C0484564C75
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download6E6878DC3FB84BC77066FBA5F0CC7F1D746D49005F9B1BE1FA72462CD7238C81
x64—DownloadA1350248C0DD0D4C41480EC9C8DFF3E05AB78142C16C151C9D0E81C08B4DC2D5
arm64—DownloadE39E02464EDA70905D9A5FBDABFAB1814AB7AB112C3337C816021E3B73039B56
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download79AD1719B665B93EAD2D1B6928CBA67C43D124463FA479A2A2E63006158E631D
x64—Download75D47344C2A9D22106D205B0E79B29C0894D73F36A4202C8B65B747AE6FDA8F4
arm64—Download8047461247898AA2D261662962A12C9F2AAE2C1710A82C67C3347B5928BA984E
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadCDF57F8DCFF8449EB38BF428EFCFF6BE5E449C2CEB8E074EFC88249068D61E8C
x64—DownloadDAD719C18CC2322CA2AE4D0EE73B1A3530466DE31F694F790813F26076641B26
arm64—DownloadA47A0A7DA114026983AD637510B181E3EB7F41A0E05B97AA7AFF7C69AD431468
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download660BC3D8298BBC52DA11B3102351DBBAB710457D42C2FC4F02AAFAAC3046E586
x64—Download722B0E6FDEFD14D27F23896488ACC18CBF5A472464751EE30AEF20DB54BAAE75
arm64—DownloadCE88851809DE8AA09D8D51AAAE0BDC451E71B463751420C82CC69211F6A42707
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download0F0617E1BE6AFBF4470F4B513500D9D0E15DECAD3F39AB77DF244EBF6379207C
x64—DownloadD3A3A71A3531FCF4D98CE74EAD5784CF115A3F09E73D4CEE875DFA0C0DA1020E
arm64—DownloadCD0A3C857BA86EAE7D9702BB83AAFD3B95B50E9DE37420246908458CC691DC34
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download70415A0F4C5DA034AA22AA4263F0685B1BC5EF9201D2EECD98B39A7896549C64
x64—Download92CAFF0B9D667AB1E6C642B53A1DA148521C175D73BF305E2713F42011ACD7F5
arm64—Download001EAF2CAFBF2259337F641A6F6A1A491087E093DA668FB388CEE5FCE8790AEE
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download2C1BCB5E3D14D10401685A9AAE28083CE059C1DD5598006348B044516CA93421
x64—Download8D01E1B3707A9D87C937A5A5DB07028FF848E7747CE940D5E196BC1B522C16F5
arm64—Download69609F22997F030A1EFFACCCA9823F37766C1BA0FC7CECDE4BDD6C28079CD7AB
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download14DF012A2534E65A680940FA259CB247D207EA99864BB86F0FD2F6B266700524
x64—Download635388D30A78E032E56C5975D51CA165B0AE6EFAA44F2CC70DA9D458733AB2F0
arm64—Download44EA5A92B6A5F4508BC611D6103D525CF5C461886265AC01381B431A9CC40990
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download83A6F1B5E867FDC98D6445E9945A7490ADACA3201B638E0EC1F881F0B98FF1FA
x64—Download5C22594997B2801331C7FC2FE21DD24B0C5588ADEA752F1175B533309A22E636
arm64—Download07E4E9A7FB4C704CF056F19721C22F07A4D9F7207456609FAC8C97889718CFC2
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadE49B235B396CF433E2A489AA04C373A08745F1839A662090AC46CE0F981AA4CA
x64—Download892AE780EBFB0002B6EA158DF7E79ABAB5AFA23B4F2F1CF91167B87D0E52ACCF
arm64—Download47E66CD9189C9DBF582FACEAA6921930EFCC6567BD95D365A62FE30781B68276
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadE956BBC888CB53E24BD74FBECA200E78472D86C031FB2C8231F5A9C8B34C7299
x64—Download180E82D03FDAD2869A730A74AAAD2D00A7141B9A548E8FAB7557E06A05A4EA8F
arm64—DownloadE1AC8CC29674EDFA6A6F51ECF53DCE315D1A3E3A3B7EAA4B0060F31E9FB0246C
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadAAAD6860494982132FC5640146B5F97C6AAD28E64168702D0E75FD8246C5B82C
x64—Download8DE188EA1CA96EDDFB9F2C2824C4623BE0E33DA5031C5F814EE509C12C4637FF
arm64—Download30D5E8F2F6009DAEC0F1BAA6BBC286C58F20DB60B84ACDD1D333CD0CE446C33C
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download8797662FB385E1FAABBF2ADA4547E85340F987DFB0824F4C5C9A7C33C6E8D67F
x64—Download09BA51235838EB601AE3BF55B9606E03DC983B7F7E2D9DCEB146E7E82D97A889
arm64—DownloadC58FA08EF45852AA2D0D382B0CAC62CEFCC2E9FA39FCD2441B34BD538F9DAA0E
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download3AC27E8D32EAA07CD454F04C4B365C1987C3B076683E9A1A158BF660E1A21FAB
x64—DownloadBAD7E4D0A809AEBDE2D6FE3A1B5860AC406E5F24579355AF0CBE95353A3501B4
arm64—Download1712069624FBFBCFD6F52091F61B8083180747B0EEA5953373DE554BB4944251
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadE5D3BEFBD0B697BF7901B3D94BFC0B578EF628736848E31E2AA0B8B74AA1027B
x64—Download3E4910E08B21A1A08C00C249E5FE3F0756F8257B6CA4E24B3AA74587D950DF3C
arm64—DownloadB3DB995140518F380DAFC97F6CBE3B23637E3414D39DFFFDE163E2E741705046