Tuesday, 14 July 2026 @ 19:01 UTC~7113,449150,910

Mozilla Firefox ESR (sco)

Mozilla·Mozilla.Firefox.ESR.sco

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

winget install --id Mozilla.Firefox.ESR.sco --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—Download4EF8461D3D723BC98B3B3C38AF8C28382D2D4175D806E2D64991713873412EAD
x64—Download4D4A0854FFD5FB1CF4F61E521450F17B75B6D3201A9A6CE4AB37231910DA24DA
arm64—DownloadB187DC79B4C7788626B7F939961DE9353A9936F8182576EF5DB2D934C1A8C32C

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—DownloadD793A304724A3A7BFD74EC24B318A623026D225840D3C25D881BEE42C304D48A
x64—Download678037C9EAE06EDEFB31EFB6930C1A1857F1A464702C19994B19981519D03F62
arm64—DownloadA7A0B874B7456923DE91FE5BF33CF4B9C5CC6B2488FC46F38B8EF1D774ED0837
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download19F8FA77BA2618BA373AB50EA3D761D171982167EB5064461EA7D8B293A33A55
x64—Download84E9A1B04F5A85F5F65E04829B78D2FC6C3C9756600A93DCC7746D70A34BCAB5
arm64—DownloadB33E1160BBA6CB95F1070BC875D906CC962AE300515388D3EBE70E083B69DE8B
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download18C8EE57058D9E58CB503B0084082FEF72C47E6565BE2F518F42F598647E62CF
x64—DownloadE70309313C3B80084E22D8F40B03BD6232A86557D38BA329A38728D0A528E41E
arm64—DownloadA1469CCF5798AAED9A8F021F366034DDD7CDA02257F4D2821316278997AEA761
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download3E98CCF4F4E2AB2455D799C87E408DB6704EFF90426B7163649D74EB5EAFF328
x64—Download033474ADBC4CCE9DF647AF79EEBFACBC390501E1BC0069437EE30FBFA3FE0112
arm64—DownloadB34A03C7DCE83FDA7450A37FA53DAE81756D85E6EA81597026A194900DD62402
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download74A158B761A01654FA5F62B073D6488C674191E6BF8195CB21F9D0A951CC392C
x64—Download9A428A2AD5256D6A3459E19310E2E1827EFF8239331FC266358A76CF6E64C546
arm64—DownloadB23616FC1C96A048E696B4DCBB72AAF7A660B2B2055B5F4C2ED079C8AEA1A041
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadD185F322342A87276C47ECF294721D36BAE206D30CA8737127D86161D4F834EA
x64—DownloadE654FEE064FBD911A13D7395E1EE83A9558BC5844ED39D412C2282F06C338E33
arm64—Download5BA90EA3E0238451E9066131DD4A0D43F83750DB3789884E1F62C9D99B53943D
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadA18CB1C95ED132CDA66B5729F177E43E66A5C7919CC548556F4197F401468C6C
x64—Download9A772785DB3AB1B93BB1CBAA2E043D8A5AAEA974D04860830EC37C48129BFDB9
arm64—DownloadB9256B4AEA6E76B7E3A23C0E6771209AE820D3463BFEE645F7022B0D6AD1CD10
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadBDA366084F2729AF53FD68B01E46D3918F491A903C77E9B3D3A16291C6FD3139
x64—DownloadC938D65E21D7DB51FB82E77D2BB498B6F72B4ABF3EDACD02B7B8D7B38BD143A3
arm64—Download57B6912746798515D8F04EB2C768DA18EF875035B587ADEFD14E07E65AA7BC90
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download7AF9503DCF9483DED8917492F4685DB6E35752892A23295139912B1225F15B03
x64—DownloadB990BB65B5002CF1398914FDA25DB73967407B464DD26A624DF8B2A7E0FA6E72
arm64—Download93F742411C8D3697187671B1BB6EC3E6868E21C9DED1BB0059DEF76F57274685
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download6B8BE1121B69F8084D95F1694EC95D09D8D431E929C00049589026BB43904CAB
x64—DownloadDF3783080E59007A4CFB3BAE138C8CA257B715E50935C4CF66AE9090CFAFFC3A
arm64—DownloadD39B8200B045207E97A14B512ACC49414212EC76D972D96AED49E26B9E9D4D18
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download739EB258DE4348914297940B0C62C50066CBEFE281209C844A211A3586DF195D
x64—Download3099B391A8AAA339C1AA88320912DF560926778103E9A3B71BDC3B2FA7551806
arm64—DownloadAD9379E4D696BD84E3B47517521D45C8DEC79C50748712C44589515EEDBB2401
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadFAD84F00EA9436DC8B3AA6FCC934041FB15E167F3762CEA1A98A02BD1F53D493
x64—Download95A2C4A90FEBD0DF661BB43D7CFFC0E8028C5EA3577FDF7173C165CABCA2B7F4
arm64—Download6F4D32CE5797CF5B67D06B9667CE4484FA261D233D3F2D44C8752F730768E075
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download4138B4F582A7FB91D6F978DCE76A8573E54AD14BA5B32423D0311CA99B7BF419
x64—Download48B6489FD3C514B4ABBEE7477E8206C11D9D70B8829FC8DEE7C6C80BF8D70DBD
arm64—Download2C8B4B70663A854048DB960953581FA90F5C0BDE9749FC8F0202B8579AC84C6A
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download0FCC2A3B523B2EA967E796793457792595792356C09C0FF6366D5F2640805B30
x64—Download9527D7AEA203D6BB91EB3F88684063B0B640F40FE603F2D4B6EEFD0249B7EE1B
arm64—DownloadA10DDDCFD681A60D63895A7CA5EE0D58ED42DF42257F3F0B69BE0BDBA3D2E429
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download22214B8A5737C71FC53822D32DD6F85C02C9977F084AE9DECB5E694978F285FF
x64—DownloadA8D6DBF3428C9DD42191226E2297B1C443D7346E65E53D154BFAC1E10F5F894F
arm64—Download59FA194DC260C52595A2CE54E7F8D7073396EA7B610BEEB9157F9896C3C34B59
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadA9683086D1EA011D507A6F22793C3B1DF1E1566201743DBA7ABBFC4A5DB03D27
x64—DownloadFD42747DFC6E2926B224547C67085BA1C57F46EB34B6EBB6928F11E2F6C45287
arm64—DownloadD7BAA6008E8547C31856CA6119AAFF391420290257FAC8005321679838B0CB47
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download6C209BBC800FE49B6E566B31707E2A03F2BA48A8225BB7A453D77490130D22D8
x64—Download8A46BD6A5CF859B500E7492E90921339E5967AAE094695CE3837E3795C1A98C8
arm64—Download5A52004E7EDF437CF59198C744DF046FB261FE3391B12EA0FD0C701AFDC3E0CA
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadE497415AC75881C3B5240F8AD7ABE2D58CEB4D84750C81863B9311408ED30D25
x64—DownloadBD1ED4FF1B9A09C7C8C47EC1DB14CEB225CF8C175741C1D27D4C6AB6B5140FEA
arm64—Download807F39FD2DC306679BEB3C410538CC7E83B78630D695A0F732B19F2063D6FB61
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download642794544B681A88D11C92CA7E49A76996A86B149130384D867277FAFA798882
x64—DownloadF994C260E8D4FD23F22035797462E0531677E46DB20588D6A7D2C207DFB7EF21
arm64—Download12DDFD6D66FAD3FCD76322068284EBE82CEB570A145C583EC0FF94C315E9E202
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download7642AF5D63A51B312993EA3992C3BF1003F4744CE5EC527F584A778CA804C278
x64—Download4FA2889D4007B86F6DEC5F3C0037AE357CAFE8DAE8BFCCF46CE55F341A698163
arm64—Download7BBCDD532B7305B4557811125309B60B0E2A052B4A6744222562967BDC08E231
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download313008C0BE1178427B3ECECDE3D548829AABC0F691DE45811702670FE5046B18
x64—DownloadAE8E79A36B2B11E69C19519BD1F3DE68F00C77C32DE8BC9D0BE45CCB783779BC
arm64—Download4792EA8958A10BF916AB77605FC99F5D4F955EA84E29DD6D4F2E12B26DD8D2E7
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadC16FE527A6ABBC054C82B9CA4C2598C756CEAA46D0E3E7A90D73198A065EF5D4
x64—Download6639A90B2F2F480372F04B76194E3CC635DBCB859C5714F6DF7167E64BD8E76A
arm64—DownloadC670D72BCCCE73BDC95AFB335F546108FB5D1915FF00CEE678E1DFB4EC6FD4B3
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download41B91DD8559DB0ED2C8B5325F3DC83C8B51041EE6A0979C60468BA0743510326
x64—DownloadA938C8FA927ED41F02FB9B122A6B769AF84A916B5DCF9B71C1A4E04ECA7589BC
arm64—Download0DCD84B5251703431CD80CC00D1A56198A07A3C935A6076897D497A60794E3FC
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download88780BEB6A6F77CB678EBF40103AC4D3C4758D5F0CCE55BFADAB059B8619B04B
x64—DownloadB81DFFD837504ED0E44A4AF93D3B26D292402F1EDF10535FBFB2EB72125BCAFB
arm64—Download96158DB0052325FA75D3334A7BCA56E06D09123C5A5530FF271AA8B63F732D90
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download3A4524786E63166FB54B1AF08FE8A0018B48F5C3732334086141CC2686DF6203
x64—Download7349E52CA0B965E626FE988F152BA986CDBE68485ADAC262ECA996C593B10563
arm64—Download3E580F621B632E8EBCC02144B3A584BEA6681EEDE2C9953596D63B9FEB171E75
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download7722035105CB2FFE3FD771436A3521DA8D5E12D04CE5F39DA2B438885CA6D1D0
x64—DownloadA61D90D133025F6A24268B289E07FEA6CC8C0D12E1C54271245B32673F3E2188
arm64—DownloadC8F5A17A8E5AE51CC32FA52AF93817332984A6F8DB63CDC1B9E5E41210939326
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download2836ADBA4DE22FA0D22017A935517C38DF2CF13C663AECEEE4CFCDEE6FF9F5ED
x64—DownloadEF085E1E1B4E6EAE07BB02DE63140AB68113A0B6E497D28537D5A410FDF737D8
arm64—DownloadBAC0E9D6F2E23BBB7B786C7853DE6670EDF27326D51B6DEE06606812D0836A3F
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadA5350CE56FC5ABA548C33A1F579F40686187EE2A598C895AC15B68598404C3CF
x64—Download434E13878071E29137CD38DB055B04C431E7B194EE808CDBEF5DE148A8462C5C
arm64—DownloadC15708B62CC73BB4A907EB9BA5B4A8293EB54211F0D8AA44D0DD68D295AB788F
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadA363935EDF8B112255A7051B22DA2FFA07CA854F5CFF863E0DA3A066DFFA5AFB
x64—Download189C07746EF4C03AF01D41A72C4E02F360724607A9E796C07CC78A0724367F2A
arm64—DownloadA73711D29AE77578B2FF91F9463DADAB3EFADB643874FD83B48A4E4C33F1FD11
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download851A67C7831C6A40F7D1C698BCCDECA3A8A144F220D5B6BE719FF6C31E620658
x64—DownloadF69F07DF59F2939D76E89DD82BEB12FB04D250CC6EB34DCA3EF89F974BA4F187
arm64—DownloadCA37872A7BB63734814013B7F4C7B33A816BC0553B55B10350BDD2D271527B41
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download390DCA67BE334228DDDC82A8E9B086D33FA2C40FE167759BBFE282D7491724ED
x64—Download74C461A1467FE4489C3DAF145EF0CDE632F9F5573834E66FF953653FF5A8F6B5
arm64—Download468805B63EF955DF08DA84EB30910A46A1A813F5F51295AD8BFA53A5321594C6
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download18E02DBFB13C423B6A28464C37FC7182EA369C9C4DEBC8AD2D73D3E51D14A6CB
x64—DownloadEAF03F056D39D309CF564F9C4292DAB8AD9EAEA2135577A22B55C75E7F5723C0
arm64—DownloadEBDBF83B7211BA020FD7310138393AABF023D81187108843A0E65D228998A416
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download9AB3FBA6EC73A7D47C5C907B5755F7EA9C1048D062868469F6322CFE6052A858
x64—Download86D199E3048BBD7E203144A2B1B688737F0DA66159D7C1C3700FCCF99863CECD
arm64—DownloadE437D99D1134BA440F500320A86E6FCF44B008F4D5A9A6E4BDF03E6402EB299D
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD654D1B48C80903D72DB5B7CADC08FD3E8EB5C412B159B753221468E35EC3372
x64—Download022C9F8818939E743D309736E687379A2751A28753E58753D9CD9039CB9B8748
arm64—Download0A8BDFA462EE7DDD4F34673B4A0379DCBEED67F8406DCAD3E42F00BF7D800CA9
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download5640B274139A82E17D2E9A09E328E13BDA0DBA805462069C923222442AA9D785
x64—DownloadDCBAB9D3213AE7BBEBAC4747E31B891435C81A82AE9F8DA4C7D1D6775C5A1003
arm64—Download63151A2546AC19DB0E370FC4F64E2186A083338326FA29DC6C2AA4B9FFC0E513
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download79AA32F69A56E41C1D390507C58FA75934766496E8CC93F1287BDE76EF3DC0D7
x64—DownloadCFEDB044FEA5522150114EED1858EE9A1EEF6653B966C99BF039169CD9E99128
arm64—Download0CF9AAB34EADBB58DE96EC5353DED0AFD92D09598633A24460601DC1F2939DE0
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download5EFDA1426313E108008205F55B8D1AC1166057B82F39F18E14927DA244FA362F
x64—Download6BA3D31733196C1702A6EEAC643A95412E173463C66F65080F1FC954357ABBC8
arm64—Download7FBE77DC62444A3446BBCB89A960402CC399DC9BFC644A77A43558EE9E1365DA
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadC413AF6DE07E4ACA90E37EEE3B3E6A121B0D2729FA8E535A1F73E2040E1747AB
x64—Download4C4EF8DBB8B3F250C34BE11986C307CA045A35D052FD5EF43327BA6EB075DE69
arm64—DownloadCD93AD493F607D3A310095B45EBC07FA5C85420E235089FE0336CF107D8D0249
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadEA129884683ABC859FB98D4A7C69F06E44B15F6709877CB7A4BEF82FDBA6911B
x64—Download2AFD26117CB24F6D3D58D68A7B75F11BD948BDB25AFBB85F0416215174DDFA49
arm64—DownloadAFB678070E16F7EF3CBC6AE5BD36CA3141887AB9F135B7EA911E64596C5755D8
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadF51DA58A2252ACAF4ED8870C80DDBC879B862F547B33769EF01CAC3DA9401DD7
x64—Download232739B47BB4184B72E53938FB70AEA18ED95C4AF91A03BA80FD0ADF59CABEB2
arm64—DownloadE8506774E49440FC0D438A627E318E909B383CDA4EFC8B8387D34C1CCC057545