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

Mozilla Firefox ESR (uk)

Mozilla·Mozilla.Firefox.ESR.uk

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

winget install --id Mozilla.Firefox.ESR.uk --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—DownloadDCAFB17F361422D8A673E85754A5B1D1002B8BBDF0C7749E8C683DFB0C030349
x64—Download88EC7B4DD0F3693636BD6939C5D3CEA8FA481B622F6FE867A9102ECB5B8FF590
arm64—Download63C4D3341266C86C9467806A8DF142BA45D4F23C653D756F18B60A02BB1CA8CD

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—DownloadB8C654B25C55C5FD29C1ED2A0DD748901580D637BB8C3851577D6CDF39BE29FB
x64—DownloadC299854D7DF566F78D7FE6321EC854112129FB091D20730C640FC516A702575E
arm64—Download8CEFE280D68F91FFF46E11D75F9F447B711FDD5F2EA217DD03335C1F7D9E47D2
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download5A17810B9AF4A8F252AEDA61976002803D52ABC1D8D0DD3529C26D069C61487F
x64—DownloadFF13DA3B1FAEEB537FEE8B4CA472FBF08502B2F647187BAD6B679578E0A5348D
arm64—Download567DF2C4F30DD7C17943513C12F2148F083D97B5C91A52CD75DEDED778C1B890
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download9F511AE4524302D3CAB419551F7F1FB7CB0536339C138091B9738FB50AD2362D
x64—Download9FCC416EE0B77F600F74E77299A4F0F4185432ADC841BCE41B4AC7B93B670BBE
arm64—Download626E9C65B856092045D37743317401D308766149CD6E6DAD4546C21B2CB6C383
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadC71146B9AC6869D56E00D839D54AE700ED499695C992B629B43C9EFA357D7013
x64—DownloadB450AF01880F0F44E672A84F0B867611DB00C1D0895C68DC832D082878EB9655
arm64—DownloadE9ED163578D7719FDF78E9EB752060D1EBF42826726D0BE6D5A9222A0ED394B5
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download31E750D511E2E4891F34F5C3B697159901E6B00933711137D2E448D5F55F2F57
x64—DownloadF704BDD2538BA30F8CCA3B4F6D5D2BD50B767DB1F9AB5C582222697F8FD9E7C9
arm64—Download0D320A583CCA0A8093C7F8E6A6A0ADECF78D6222605F3BBB786DF3506BDD6FC3
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download2668A6D195A06C78FA5B90AA7476CCF265E3D842333A241DF49ACE25CBFBB2B4
x64—Download18E8E230AD34439292575465560DEE09E38B016B36A1D201502BD2F460570ECB
arm64—Download6EDFA0C1F8CBBA82BA40451B553A901933F34FF69EB929EB81DD07E835CBCD0D
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadAF45463CC94F91217C2A4CEAC6E73299FC270D7A91BEB7E321C08DD13DEF5F3D
x64—Download05344288CCF245B5B8B5C0FA34D7BD245877980D2C23E6E7CCD751A9EE387CFC
arm64—Download593C0118CBBB4F9A875CB59BD2EDCECA87825D06E4F0CBF1C6255DB86E9011F9
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadFFE256B0BEE33951E4F48BC0DA0E579B5511CBB0CE295D22B92B771839EFAE47
x64—Download37DE2E10CEE5C2D45A24F5C43476B1426E451B7E8C4936041DB270F12CE450D9
arm64—Download4C9419454BA2ACF4393F383D61E0890A6E78C5FB5BCB2118F025E87526E190FD
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download0DFC5E5D9E7731CEF9BAFCE8B1B70D646B5C4CB3788EE039C95A2D7B0A42CFE7
x64—Download29A63EA15E050357FB24B4929EC2F53016D6BB4B54FF5DFF42963D25201FDEBF
arm64—DownloadC1171C8B743B392CF4CDD77C65A471E0868A50A01746A723431C60EB0FFE6FD3
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download87EDAE363A6085F03FC2D69CB847AC35254BADC3D50F79BE4E49893B10571BCE
x64—Download8293993D1CE410F716F4088D9AAE8474B0C8A2CC033185627EAD1FB027391F29
arm64—Download1373FE9B2EF75E1652C7FDE7140B2192D1ED97B48F7DA9BD138D8F7A6BA8510B
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download890F38CEC37D789FB0609B9F12631BC7B420B8B98670D5A5234A343A15EF9491
x64—Download7F728D13B8FBA966E151B1F936DABA694FBC1AE9A61F48BAD17513C2BF881939
arm64—DownloadF748407C532098E958DF46407089B6D374FF70649B975D28B208FA8AEF351C35
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download1C63010C50F1B3773F299CE45FCE982C3981018D21C71FC33D576BC89870A65F
x64—DownloadDA7F9B89ADCD99E80C6446AD155201E91EB322A9F663B0CBF5F865CB3FAA47F3
arm64—Download502E58BA12B90ACF5108FE8D68F26119782B79F2288CC055D25DEE4FD3FA2402
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download7AA73E6F25E54421344ABD42A2A64D1EA01D8DA9E1C65D7212ADD330995A2827
x64—DownloadF65891A737EAF5C8175F8612873A368CA40EC5FC5491C2F4B6B0C2AA0C3C72E1
arm64—DownloadD21CE50EAE729FC0CB7444267C92379A4A849416F8113719920EE3BDBE3E72F8
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download806C8EBAFB7A87C808CF65800B4984FC6955DD3B361D2BF38CCF559DF0E0AECF
x64—Download255138362A2CB7C21E5E8FF6F7758B02272F038AA7C983FA499871EAD31FDE2F
arm64—Download46C0EF7A9D75337E7ECB5E7739830F1592DA624105F7490FB38585C7BC7C9B30
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadEEB82A24E62EF2D7F7D851327EC7F485DA3D0BFA6FEB6FCF13A6E22820E0E2DB
x64—DownloadF689BC32898DD55CD63F2EEB112282311D4138C4A7E8DC65CDC84835335A317E
arm64—Download1F80B4F310EE7D55141A18714CE1B7FBB8D7CB33F275D6A93DF8C5FCB2013228
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download7CCCA2F5F01814C5F5B3EE7084EA8EE7BB3F3054EE3BC020F0959BA188B2B30B
x64—DownloadA5E9041DA5DE09A57AC88A227CB2087A94EEFD45FA7D8DCE3F5911BDEE4B0013
arm64—Download271318D823919252B63F5F8DF0FC09992D6B28E9FBB2745765820648FA39BDCF
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download4BC34F710D7CE2AA28FFFC38D0BCDAF6C47C27980F808C59735AB73AD20048AC
x64—Download249E6F2610DB530CA001CB1C5D89ECED796A5EACD31A0687A22B8FE7681A39D7
arm64—Download5F7DCC3C47E4749DDBDE011BEC937AD6141871DCF8F030F1CD4E30D64C771C9A
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download99E6CD6E009A12B41CCCF50D1420619A6AAF615EF80C1DD8D160C6ED48D87089
x64—Download0A820F932FD510A132D42A70725B6343EEB552EF2B2103C6E1B0CFEF015D5B0C
arm64—Download57FA832CD61766B180DA72C41248DAFD23C59C9A62393AC6FF125B04EB594457
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadC79193F2EF918E66C7DC3F02C8B3AC2060A68F2ACF2DA53F6DAA21439F5BB61B
x64—Download15C163464CA22E36A2145340E790F52BFCEF7D6077FACAF39008CFFB7A4E0BC4
arm64—DownloadE7827C9610B0460066326714DB3B549AE634EE19BEB4D7C222C32C953F0B6646
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadA0523B6AD5866F68C58FA2D589A9D7FB68576D9930D02A1D3DD8FA8E47F5DDDA
x64—Download7D6738B6BFDCE37396DF92AC8E051B504796FA1CDD957AFB6E9C7D9420FB86AB
arm64—Download2A2E7C26A54DBAE3BDAE52335287D493461BACB053B18616C1A36B49652C82B7
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadD473440F0D721556F7448D99D494D26F1693B48CC69A9E024108E072E9793B9C
x64—Download9C0307E09C00D85C7719B4BEF47052183D7FA28683B0371CBFC50B7291D11FBC
arm64—Download061C6728ED128CBCF901404C273845CDC3DFAD17CA4A601E39E1D036B62B86D2
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download8CDA23C4DD9CE5CCD75136752270A4A9985E71869CB6DCCAED9E905400C476D3
x64—Download14C8468F13C0EA727FB86908C35EA61D140482A76F19A12AA19B17D4A73B113D
arm64—DownloadE08C0609B87798E949C61BF59C8D3D8130245A8744F1254311F0656007C178B5
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download03E2DCD14ABAB25C57D0B89DC49A69ED225AE9250CB55F2471F1AB4A8E97AC87
x64—DownloadD547E70C86F25E7D10947D7B12882501E57FB90A778C4286FDC909DD79973156
arm64—DownloadBE2D2B67DD9E2999FF5227BFAB4C647142D4784AE173B8BAA9375DE490FB7C9B
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download6DCA4EE26D802A25CD2279B0A4AB0A4DF151F2795E2236C24ABDFA274B18BB6C
x64—DownloadB37291E49A7311750F065F11C980EADBAE1B592E32A4F76AF0D0F1FE22C4CF56
arm64—DownloadE674271E93A01306DF174A4C4E66349CEB4CC74CD668E70B6DC9FB336927AB79
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadD9F9D042CED52033CB8732A85830D544A661239EE56250E88C4C2A71A706B19E
x64—Download3C096F93A3D91A09CED841F71E93F782226FB6E954812A6AED236C391C126187
arm64—DownloadC2642DC55CF994FF5A35CBFD5C4A67BA920B8176454E4B7DE651546D5596AE0A
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadC1495AD74E00A1419B49462A86535E27C1A14007E84321F7E824F3195F6BE736
x64—DownloadAE29234A31259504A7EA133A25DDC6BF8AE5070899283965CE4BB7425E388F70
arm64—Download283B8022CFDAFA6CBB0757CD3AFFF2FDB6BDFC67BFFEC2F28B5DDAF952D824CB
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download6A582DF8A560943DDF7F6D4B1E569A145BF19B49D61FB45A6A42F4F3A7D4AF63
x64—DownloadFBB13A695527BCA35BF10E1BEBD3042145DA564A8EDA0BE358FBCEE8198A3160
arm64—Download11B9E982E454598DE76E0AF0EDC56E70D9853A81169006E9CF2CCE1172C046FC
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download10A89FAF7D835A247337B373C4EEDABD4B595EEDA97B0CED378A0A104CAA50D8
x64—Download429779A1D7E92345DCDFEDC3A13543687C8685837EADEA8F84709DDD4AF1FFB2
arm64—Download69DEE2AF9BF1DBBBB620341DF96F535A4277DED76CDF643C6AE3892781A20400
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download02F07EA051F5DD3C0BCEB03F6ED0CEB4792185361337F283899A1FEE29D79581
x64—Download4549FCC21CD8A08C3BBB1E3248F669DD70F0A98840CD56159441B46C8339B842
arm64—Download1AD5B096AD1AAECF5574842D81A2C3B1E6DF026633A5739B41539E66E18CD632
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download8C98E40F8F839ED98E95BB80D2FE5A8BB7E40F38A1883B9E48C4FCE09CD4AB42
x64—DownloadC1E90AA8E42A401C85AAC6BE26BE9A1A14DE424065F654B08F7E7613D865D1C5
arm64—DownloadE5E4D746BBEB44B4F86C2FBFE89C7A3DE51DA8EA221E9299B4B874480C9F1BD6
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download8B93C8A2D1C1B70D8A162D31A98D6E53B44B236E69EFC80D8C07A5109612B3C4
x64—Download9EF3A726264E0EBCC68503F758E75B45F8396D2B7228B395CE3A49385BF7DBA9
arm64—DownloadA478E196936FA0BBD7168CC6EF9D5D13E2E5D0E6BDF597115B87CA90B52CE52B
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadC8768DA4E31E1C203DD6D63217E59E6C09A5D79481B0DC2E561B29A43FF845F0
x64—Download2F923C8C92BB5B5B22ECFB3A5B95FE53711189DA7D343EE2CC0F5CC73AD2F53C
arm64—Download509967691E7B28EDA5160FB5D53CD1F822611E56609AACE10940639705DECB0F
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download746722ABFE599B6E40E0B39167D3EE4B971966D4CEF6590F4864C03630DBE979
x64—Download803B35267154612AD39E7BAAB7DBA379D6E32705128CBAD3B85EC1E6B36731B8
arm64—Download12621463D933F332DFE420A71E646779A611AB2E4E3E8DA3B766C11CBA7A233A
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download2A2377B1038CA4F74EE1D8368215D18CA14F29F8EDA0250B2C4ACD38CA17E648
x64—Download77430CBDCE239F994AB43E0EAE50BD3385D20C4C59A5AD9AD7CCFC8D62D82531
arm64—DownloadE8D5C23C9BAB31AE2762BE1BD8617F0587681CB1871491A15BD85476F46934FB
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadE5549AFB9A0777522948D1A37A9906C6F3DCE49941AB3298A4C6D5A04BF35FCA
x64—DownloadE30C04B952DCEB775260174A135AB6208BAD3F9A29CF068EA869EE38F6D085D8
arm64—DownloadC8B5C25C0EBC1970975C5030B12C0FCA11744213706A90C68AA24710D4759A10
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download7E39BA774E02BF1298865DE04E22960391595551561AF555496A3DE75AABB257
x64—Download5804C3E7A237A500E33D175834BC167BB9DA808A7AB0A0801620D7B6D71DA614
arm64—DownloadCEBF35B1548F37881CDA7B5B41EBE889AA994D98A62DA462CCFEF861731FABD3
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadDA19E0282AB10A706C7E3CBDDEF68789B07EE2284D2095075A478C81AB71BCA5
x64—DownloadC76CF0F1CEF3813B0ADFC9D5BA9BBCA25C15A9EC839AD0F5089E6888EF2C7C48
arm64—Download8D78ECE1D428B5AA882ED11E5E6795D4467CADD420F55A98F679A92DC6DD9D36
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download2B197F14B50F9647DB257E5997FB4BC3BDC3A2E488DC8278CF90AD0245613AFA
x64—DownloadDA1830A15254CF32941DED483E15F918454883EBC5D3731CCC1F788EE405C891
arm64—Download3C06C12BDAA876BBC22B73A0F684CD060CF7C96BB57951B3FB558C773F0DED8C
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download67B2C8E9E5AF7BCE4EB9FD2CECF7D184B0ACD63074F413F320ECF5D95E6D5BFB
x64—Download0D32F07CA23012007F4C6816BCAB1C7503BCB861B1A1894A43E2FAB2331A87E0
arm64—Download6EE100611D5049885CA39977FFEBD0576D6DE7194E259636B7DA07A8713BDB72
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadEA8021219AE52587DB12A4D8842BF336E87A03E2EF4659B59F8C7A8710BA4FBC
x64—Download90BA0536EA9AB5078A4FB683FECB4C030827129A083610F72F79D7A7B5D0C5B2
arm64—DownloadB9DAD57FEAF4E80FBE5DE86207AD57A3F80AA16943C97821EAEB54963BE82493