Tuesday, 14 July 2026 @ 21:01 UTC~3513,463150,903

Mozilla Firefox ESR (sq)

Mozilla·Mozilla.Firefox.ESR.sq

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

winget install --id Mozilla.Firefox.ESR.sq --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—Download6026A05390E28987E134248D013CBAAA3164E73D75E62FA99F2E011A21D9D465
x64—Download9B31BF22E2703C55BE7E301AD6AAFBB41D7114C5B7DD9C90E21AD27251720D34
arm64—Download3B84ED95D5458D2244C79D33C93AB80DB5D1AF1003329D54CE009AF8C5897828

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—Download2B5492832FE968795938D037E636F968BA641918F4AEA1A6400E72052D776724
x64—Download2189413B7F8FDA7DB24055E562F265CB311FE767E4587AE58098FCCA49EF8B42
arm64—Download5CE7CB6DA6D08F721237A404F74FBB034619F68777049F11106C98975115D98F
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download130C32DE2759432BF6521F3522492ED626E61E65F40AB77021DCA18AC3510B4A
x64—Download964B892B50F51B064E58DA2C9E0E8D673A2E29E3BDB7671E1A6D47FAF0AD4399
arm64—Download42DEB3D03A15681762AB3048FBB9131C6707473F9D4EABF542679C1224450D57
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download758F271EF969A053681BAFBEFD77BDAB9C0302F8D92920D460CAA438721F205B
x64—Download03E993581EFEB8E3A1965237AA459C146AF0379E2BCEE38D3EC8C194357650D7
arm64—Download8240179AAA4DFFC1AC957A7DDCCE099E56BECA7C0FC969CD814A45BB0037DF65
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download29AD929D16B731771D77953AF699324BEB33217A08B574EC116BF2025AD237DF
x64—Download7A36E212771AAD17E02E617B65827C2F4797670B1461A42984760E968150E60C
arm64—DownloadCD5BAE67ED8F77A0F6CC0BFCA455C7AB46F568BE2794C618280AB90D5CEC1565
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download410CAB2C8908F223D7556B95C247506F951CC45DF39BB463803D128804DC9CC7
x64—Download08074B3EBED8B322BA5DBAEA9EAE271667770F107CA9FD6704B403E8AE3CBACF
arm64—Download90BB7D6F60FEA115F70441AE8C8EB43215DEB4675721B923E7CAA11DAABA9408
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadE1B7C95E3CD95B550B142635A5E3DD2DECFD6618AC885ECB13FFFA9584D5CEC6
x64—DownloadA2E4F933B1A8A5033B059EF84DD395319F4813E2167F1FA312AE54147E303B8B
arm64—Download4AEC8C8DD837639AA12C11805625C434966B0C4F45A79F299CCB6B5ACC3ADE57
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download9130D8152888DADB2AF39C008381CB6FCF505092EEF69C071198C544C7B5AB5D
x64—Download5027D425A2A4E13C0F14F019967345BA30054376E6551ABE4CE3CFE522739EDE
arm64—Download1DE6CCF7068EFDE2F1BDC5BE20D0666CE6B5D2BAC5A886D24A88C4EBAB776277
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadC1BD5B6A67E9F0269E973CE9917361D937F3D861B1726317818E65AEC23EB649
x64—DownloadD0A0D1C28AD4DD36A8368EB83D6AD49BAD0E19B300CF427BC75AF06F1F33EE4A
arm64—Download16BF059D36BFE125C2031CF269479A6C19989B9E6AAF9F632E900F3922ED04B0
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download514FABF24503CD47B7A52A04FF7A108779FD116B2EA4DC08DD98C4452B5CDD87
x64—Download6D9E5F79008BACC62B3A62F2CA17AA0CECDBBDB4A8251262B91DAED6DC4D36F5
arm64—Download5E6CDC3F9C4EE599A1D708BEF457BEFA32819AE6433AD1BA12EAFBF5CF87D984
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download293F9E907BD19FBA388DFBF89C2426033A50A16EF839605FE9717184619A7DAA
x64—Download95B52987EF92A13B15B150203E7DDF4D30FA4779B0B87C871E62A19EAB67FDF9
arm64—DownloadF22C06C1204F5F02DCE7B9A5C87A9432DE5B30016CD1B3DDE736E34CCA9723AC
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download84D65238CFF41A8F73A72B5BF7ED1F2380EE015640FE608CBC980A307C30B14B
x64—DownloadA4E52469963EAA0A84771B42E9A5D9D59096E972530ABB1197338843D9B24AFA
arm64—Download1B8C89B2F34CBD6EDBC94A3355A16F9E29D72CD1DAA25BB3693B7D2D68B318A0
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadDA0A429441A0D185A53D27BFB968865BB29C53665F49D2AC6D9003D9BC11637F
x64—Download5E385816F8D2363F0689A5DA84790CE292928ECDEB8787FB7A5A9B0A3ECA33C8
arm64—DownloadDEEC88C5B875E6CC0A7014C983C57854567196D996A32C138C1648B8A133240B
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadD7F919837616CFBC8FB059CB6157EA8A9167D8DCB01A3CA116477C70EEEA31D8
x64—Download26607387DB75CFB06926CE812D7C12B3EC9ABB9B4171068F4A71EFF3E99BEF2C
arm64—Download4B03B363A378ED652EBE29FDCA8C3269A9C99E00BD80C009A28BFF48319A3F81
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download5806B49A067E5381B05FC1DEC9D16FA3D604F5FD1010B4294AFAA64DC4F16489
x64—DownloadB6EAA52180BFAECD4F93E4305F2E57CF3700AB6B39FF62619C00F834B774B0B7
arm64—Download29B2FA6E868EF90AC3FED339199A8A72E25F523BEB9C2A6009835671FE5EA084
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadF1AE1787E70162A1A27487071AF5C446E964588FE5060CB14C03C848EFFCBD9E
x64—DownloadB9FC2AE337F66FD31EA542F2B5A84E598193E37BF6CE15D5B357102F1DFD1C80
arm64—Download12F4DF824FA7E6D909325164C49415AC670289494ADC61076F8B93190177A64A
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download37A6DA12333071D696881D01FADEF34F691C5A6E25939853C643C1B452B5C45A
x64—Download84DBC830EAC74555C85F99010C98D8B1BE120E6A201C267710EBD1740FAED229
arm64—Download90BAA0F59FF6229A38472EF46DDEF7285D5345E7A11EF22E79077B53E8E9DC86
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download367C79E90948BFFF1CC843C856B166F56FC57F0E20B812846F00B49E5BB0C333
x64—Download03D521467BA2F3085599B6A407BD391B1BFA3178893281C2B147509BD231C28C
arm64—DownloadB53FD4A9F5989219EB01B64EDDBC02F7C1FA46B1A4A4E664E3390CC6B6D421EC
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download8C1234F25727A4D551D1CCB67035B987A08D8C327A83CD5CA6048F4236125FA3
x64—Download0C43DCCE5501BA355247B1818D211E6307C95F67773BF1947F0D7294EFC31A0B
arm64—DownloadCE72FFA05B27FE943A4F93C5577F83E9F66A523A3B141F1BC286262AE4FF81B2
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download9DDFBF8466FF84939073EC425F9F7355B18630F6B778DFFC44DA0EC1E3BE229C
x64—Download94BC6523BD2534ECBC91D7DA38F77EE1EF28934B199FAC21C400D7F0420C31B9
arm64—Download38C14F40FEAF7672DF58570BF0765A5883478EF510B9FB1E2A9646138D32E0CB
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadDE2CB05DACB84050AD9D59D730E1ADB15F2C1D2C239EF50CE729C316D852B9A9
x64—Download8ACE1C6D6BACB56B4CEA2B88A8C56C0F611E7B6B16FDE19A8942C1044DBE3F30
arm64—Download99CF3F4E8937C658A083C1898FB95ABC295053636607920245BD546515A37DB0
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadE285198908D04CB6A383EC44086F2A7A9200CD913B44478BD2621CC79DB26315
x64—Download0A2E240E264D4C3F9CB52EB884A1E92B1E2A07A23BC6131A60AE14BB9CBDF458
arm64—DownloadBDBA65708A946FAF50D6615EF1735ED42E01A14A46570103923E85EBD9221566
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download8BFE8430E9289CE50AE0B487BE4396B3CB086F62264CC3C71DF48A507042738B
x64—DownloadD86F1D061F5D9262F7DF3488E1400428426D4C645ACC421D367AC4BE76218110
arm64—Download57DB151DF39B450BE2EF0E0011CB4E407A42EC7F9B1B04AC8F7D7B2871ABC6C9
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadC4B60EE655FBEF8B8AF97E7DE5AF718B113834CB83FC6DD3F2E66F544C56193D
x64—Download8DD9D8020592CAEF964AF5FE2ADE6C579BAF3C1343554252964477DC60F35270
arm64—Download55E2658F4BB91AD2955340211E13531A02ED29E3439EF4A1F023E1A14E724F74
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download9E08237C806CDA52517834367E9E3A75AF6728E9E4485B50FF533C7D63125162
x64—Download60802B057EAFE4C85C9E541795519046E0FF28092BE86169F94D403167962B68
arm64—Download17233300AF3E7C2C1C71C49234B78162137654A26B8A849D9B9F05663414B957
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadAB3DD4B6CD9E8A6C74E12A6FF5C247404095FE2CDAEEA2148217B7984E45022D
x64—Download075B6B25FCC3E3E52658878491DABC4D0C040241073F68B21CD1E6453494FC7C
arm64—Download7CF8EEB615F0C8AB6C08B590C5895560F0CFC70B7D25CABA1E90A3686914BB07
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download3578C84669887591BF3DDF9FEAD269ED8446792AC6CC46F202F653C52579EDD4
x64—DownloadE50BDCD9D285EAE7CD34E4AF69E2AE2C0B2DBE7439A4B1FB324C585A387C2DD5
arm64—Download12A2ECB106046C5A7F52DAE9E846A8E33986E26DEF1B90AF0E6BB3D1B451B2F4
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download9246F7FFCB86705306F7850FA01F900A9AF6BC79AA08AF441C8421B0BEF78E28
x64—Download7AD567317ED4A12535F9305FB72B52FE0427D85E96F16AEB92118EEB3BC46D82
arm64—Download216CD8B0E7F02233E7415D8FF96B05C83FBB9BA2469DED7FB89DC36AAC972B19
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadD3B5DB2A2BB62EB64498EDB3ACF1AA4614691754FD866A4631224C8739B7DDE1
x64—DownloadE4DC6F61D65187FC0E149D692B60A2711584CA64545C0F8498BA7FCFDB02F1D5
arm64—Download5C337A9C466973F869BF0C7B879370719B4EC83A257E32C0D71630B2EADF6C60
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download202209450C021E53F43277D01C49FFB8EB345B621F95BBED6BDD2C70C899D04D
x64—Download289BEF1B0446C36E9E1C2B656DDF0799B590C228697B643CD416BC8531FF7E1A
arm64—Download3C181C92E01E319CC9014D9E9ACD49FCE5BCEF770A31C26397F167342F605612
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadD109AB5BFA5DB43B07F22CA6EF8404C6A2380207F5AA8B5CC9139C912D8B13A1
x64—Download0F42690FF19AF8C8392ACAD6C05EE52C9E74A36DD52E5231735855F606B1D232
arm64—DownloadB2B97B571033F3FEE07B34B41078956E21BE7F01E94E4E0CEAF0CA10EB061FBE
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download8CAFBA09838D1E13E248F7A159503A6E3A038D552465DAD44E063FD96312A99A
x64—DownloadEDC5417B6E955C2B98D771DD8D7B5C8C4E6C65FACB659718BDFC56DF8078DB6A
arm64—Download3181E5797C86A4B1D191BCE207DEA5990D7B2FE8D5F110B7D38DEBD43C8268FF
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download2B1597420F91737E3A2AFCFA8159216768BB2D6C7AD3A367CB7556515E2EFAC6
x64—Download6C91C6B6E5E06113DE84F1DE1575DA95CD9D98B780B7C265E1D40ED10C08EA76
arm64—Download59708F7AB97724333929DADA114F765731D1B4A50137F7A53ED961E8C36629A3
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadD28583FEA2B19097B0390C4636FDF6C8199E14A5C3D7C10FAF0344CFF3AB1D36
x64—Download1C35318232856E53BF0B426ECE7B6F7A8B6A132E0473884C8D4D61A8E5EE3D2F
arm64—DownloadAFEC24ECBC9C80ABC4AA8448FD505BEA7D31937412E78409479AF4E6029D0133
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadBA7CA9C323A1F5DD2DB9110596060C1A3A09A752BB870DF7DB702798426AE82A
x64—DownloadF6F69B3D08AE93539344F7A915390426C37F0246FC86F719A35871F018C7B5FB
arm64—Download0BAD8C74CCCF42C027ED3D2C0CF9B3EB1375414B4ED72D7575F7DF4AEC2C4581
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download35C2E8ADD0A6B7B10FAF2D9E8BBA42647A3111A006BE8B6DF91A6415BC4E4E57
x64—Download5DE28D67362BD6013B9F31C835BDAB487DFB8982AFAF6EABF67A2191D8176369
arm64—Download834412F1A78A3F262D129E3CF64FEE79FA656CC64E27BBC26367890C820168C7
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download00EE0D1461B19FB66FCF9EDA79ED48FE63C2B3A51AE6A8D7DE25B7CF8F8A6282
x64—Download801D8240B678DA2D0D04B8F14E85CD4ADDB704C396370C8588AFECF3A0BDD659
arm64—Download023ABF638BA937783B5767723D5A7B10AC2147CAB699931BDA98A6A2F5D04371
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download427721ED0049BB2FB93164845CCF12EE30A11C5892C14C5A7491F6A4F0D54BE0
x64—DownloadF2F1FAF2972512BAA5B2BDB6F36A6BF9B31ECCA0962F2410A4014C2CF6817F79
arm64—Download65F70D1C979D06AB066468EB3AAA33F34FD040E5DD20C0BC27C09DB4B5357989
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download5576B4A02F2BE460C9AD450ED3BA79D91C25FD7C02D42F594BBF230D646C1E69
x64—Download3E34F57FA0E93CD432E73156A47846ADBF8F16A991479B4CA655DD5B8C355FC5
arm64—Download3EB80536584E0B9C0FEEBF1D322E0FDA9B4B94B78150FF6D54EE8129A120761D
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadA8C84D4C58524B56E264C1552040C4EB8CA071432D58B2935941E58A14E1B5D8
x64—DownloadEBBC22FBA8DAB1F6B1D23BBD72AD6C89953D7388DF7A7C64C66BCC5719764C62
arm64—Download67EB55809D4967A654CB2F0DAD0AB6206F732CDDAC46D2DE8FF231A3C2D13507
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download4036F91E592841DC1951E33B2805168858DC68D7841D533686DA853F1AB53A38
x64—DownloadAB21F5A79B748F7D2F81311A6A3C4D548124E3F4BF376DE7803CE953A651E2D1
arm64—Download3BE1DD6347814F6B55931EDF15D00903D92080597F18E6285B3D1344E75EAA34