Tuesday, 14 July 2026 @ 16:01 UTC~5913,430150,826

Mozilla Firefox ESR (en-CA)

Mozilla·Mozilla.Firefox.ESR.en-CA

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

winget install --id Mozilla.Firefox.ESR.en-CA --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—Download993F1C7FE2A65B50A338863C9486E7E3D55DD49DBCB8BAE01046057AB9D0D049
x64—DownloadD9A8030BA1972D54DDC3068486B4F064867193CBB0F3380BC5BBD1E69D3AABB6
arm64—Download8C309B808FDC8BCA925BF37476DAF60AC5E4CA2A6739845CF9D42E1453C095AB

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—DownloadF42757041F2821BAC1DCBF347BF1A631BC4D4C66CE357A9D7EE9515D8FCD9D20
x64—Download9AF1714E3381BF0F83727A3B0536F61E8CC6219A54E22E1F3E022B9922E6CB01
arm64—Download8DEDF9E46EF6BEC1AFA5EA3104CB4D2100F45052AB37BB9BA72DE20580C1D9E2
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadE35680FAC589686F1D370449F94A413972F24094E18C07A5CCD879240905BA93
x64—Download74E7A0908E75C0222893656F2993A851DA7372A7F516E4FDD6BC96A0A2C3F817
arm64—DownloadF06EAC17BE92B5E286E91E535883EEC9D6D89AD3766CDA1DB3D12B14961C2F9D
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download264EC038DABD8ABC2BEBC6EB4FC9BD694367BFF03EC9BE11098E0566E65F6157
x64—DownloadF93432B3F64C1CFB9443343CCCBAA0A9D8EBD4448C814368BD0EA8551769AF56
arm64—Download8B544047D733BBBD5B57352FBF52768F1E4184F31490359326C3CA1602FC46BE
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download87AAC7355A85885332801DBE9A40C2064ABFDDD0EB1BAB7B96656D8F13D53662
x64—Download6C0FAEC505705C06DBCC41775E0F8CFFADC9A54D9935D8390EC89C02BFE36BF2
arm64—Download4BC803086E15426008AA47A9F10A71919A86CFF38590CE569BBA1705B1B54B0B
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadAB6B76614E72C72481B544FDDB15310B5C656F2A71A07C198AD9C5ADC221B84C
x64—Download7FCD9024621FD9C971176EDA6A120EACC47D2E8649F794B6A344676CBE73BF0D
arm64—Download63D4869F3937C68015AFB2896D5F283F56C7AD8A664AF53167A181D0C8A1A895
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadB976CCCB3702B3662F6C56FCE49A4D5EA7A223518C51CECAA060DF0FEF161A34
x64—Download92E04A81FCA84CFE9C52B03B4971A7BF750BF5980C1CDECD13D6A28640B86F4F
arm64—DownloadEE06369CCEB8C236BAB31DAD3F4667CF156CD18998527E1065A1AF334F84B2EB
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadC3F1914C4EF46A02A24556733A095696E6ADEB8C9C16EE023344DAC90D99305F
x64—Download73FB7F35D372144463F171B5980E4BE0AB8A107C20A7DDC5290AD0EA3E67443D
arm64—DownloadAB6916B1AE1EBBBC53FD60B94CBA38E4D3A84D78C699AB2F6034F06432238150
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadF57669331BAE62D5C5B6EBEEF411F069AE05E84A8E4E0323C3C3452DF0760B04
x64—Download876D50A5468FDF65CCC98FC9FA1078B3FBC0E7EA48E94A11317377FC8B37C41C
arm64—DownloadC809AEBAF2AB51EE8AF8EB13C431C4573F4EFFA3C8219D8EA1A2A9766C98579B
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download5E4DB46CBACDFE37A578563C87EC0B3346AA179697E96EA9D3534C3489597255
x64—Download7E074E50CEF625EA74585BB5D4914B35549AC6A7780D6174F38DC46E24819520
arm64—DownloadC6A54D9744E36206C3326021328E6E722FF6B2A952846F6F8F3958F68085FA31
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadEDA8674459F37960AF9ED45A4E0B07FFEEC22F07C789E39757004065D7D562D1
x64—DownloadFF9C56A83AE115D2AEF4150A10E2519C0B61B4DEAF9DAA6F06607893AD6CA533
arm64—DownloadC0C3EE0F65480A6DD419B68E9231B07FEA3C2DB66910D331C02ED3EC9993C0D8
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download442D5D6B630D9878B1A0750F443590B8A39D341871A250C4E8220FD177B8E454
x64—Download04807826913017D5ABBC75D321292E052A1D4E51E6413F39F7A20A62346BDDF7
arm64—Download73DC895952DE406C9FD702E83D53E600FB1266F2529CB21AC3A3C30F9D9F0AF8
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadFF6D018B976E01E9DF630DC43E5EB2C603D6157427C65278A400AD5A815BCEB1
x64—Download1740151E023FC66D840D0611E5DB82EF6EEC61FAA703652FD9871ACF0EF51A34
arm64—Download7C51746890038CF2B9C9B5B0B9B7288507382B79F53653E648E59A1D68679DD5
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadE85E2546E7DC9604302F634AE922BBF170AE94A37056DB34E1BC512115140D43
x64—DownloadBF3724C10A64D3E9D1A12D6E7CEC6D75E46ACF8F96D7B36B6F4F90672A46BB73
arm64—Download948EC2D8986C983D818EB720336D47B2DFD67C2B1845C08BDAE7F7423A2B2199
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadC17C19C8E1162D2D15FA7953CC48D57EE84B2E9979C01A28D527DB3049942C24
x64—Download534CAF6F63552CFBD90C27BA3EFC73213FFFD848B16AAA51A0AA633C0C8A67E2
arm64—DownloadF837466B27307EDB34752BC9A3B3308A4C35A8B9110F6E23346E512CC5F3775E
128.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadD4379D49817BA081B6AD75D2F215BDC348D2FEDC726C0D88687D613EA18D0DCB
x64—Download9266C6D92C520C6557193842BF0351C4B91040F5DF31EF9079D97B32BF850BB2
arm64—DownloadDCD0CF39CA74EB8DA1602B21D3744430D1289E2C6D7EFEC40B055EBCD1FBF5A0
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadBF7F477979C64013121CCF260688B35DA6B7921E0ADDA9C49FC3D7DB44FCBBF2
x64—DownloadC1D6110D5C98919DED5AE42E7C8D7A4A65C80C9278658B11B426FCF847BF3FE0
arm64—DownloadFB5C1CCC644B1EE8B6ADA3D8AF5EE037DA0EC185B68BE5D07D00605CF8E03D8E
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download5600085BAEBCFD22CEB07690F93CA57BFF2A14EADDD7B9504962D0D8F7994195
x64—DownloadCB7E7291D93DAFD3199CF2851401B736DE0EBEFE649D5DA9721263138DE1499F
arm64—DownloadE4711E8776B922BBFFE52CE89B81352BDB7548D48149052E19ED05390890579D
128.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadA6245424BD68BF6C2D0D6808C37E8009587D5A05A903B8DF457798344A282423
x64—Download73B9A071F51E1369D20FBAB94C9EB4D293294671A8C066D961E1A5783534AD21
arm64—Download214EEFABEB44547BAFC6D141256EADAA2E866903856964A8CC55E846C7DC650E
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadC3C6E7DAEB79F3215BB9AC240C5E683C781D5477104D05FB95D3AC2D9EB49E84
x64—Download8C1EEFA3197D186C774A30A2B47F0C7A117BFECAB04348A8EAA4AB277EB86FA8
arm64—DownloadCB5E442FA93D903FD3DEFA3D0A18DA745D33B3062DC8CF48403B8141B1834F07
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadB945DD643CA0F8DD411E7259D9AC8055623127CABB67AF930AB34FB67E6797E7
x64—DownloadDA53D1143C1747CA94FD090D560F5284959097CB68B13FA4B8BABD6FF959B1D1
arm64—DownloadD5A9938BD3F0CC6289ED554565BC742A3AB9546AC25848DF22AEC6A5FD406483
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadB622B3E447773C8C08505B1C53A9B3DB975C4049611231CC6537633D38FCC712
x64—DownloadCD1AE5F916921F11833C9CE0E5DB623C23713E98FE40830142DB1222B69E2372
arm64—DownloadE92BB34F83802734C2635A2028CB2A1ECADF3F10BF386D0DDE67ABD302737903
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download62A46E280934FD793B6F15A7EDA31E8F22F1BC98D952440414055DB69BA8CD0B
x64—DownloadFD640872E4FFFA0E06A2DE47813FDA9218DB1ADEC26C6694008E1F6827D80FBE
arm64—Download7ED87350834F8CA9C77EE3A9AF23D20FCA422AC26A785B296F442E4157E556CB
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadC2BC146A8612EF09FB7CED9BC18ECA010F8EC42F271F9AFBF4B71B4423C48C6C
x64—Download75EA7EE6B32B4F9C98309BF35BB12F1FB01E7C588771BBAA46F491AF4642596A
arm64—DownloadB5430DB6D63F659AD0F344ACDB0F66C776EA09E2A187C8E1CB020968B6ECAE2C
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download7B381614E418C578FC3009A951A8BCE6A14E15700F55140691D714BA184D3F67
x64—Download8CB4AA834AADC6B46ED8EFD165B8D35AC11880D311214C895AD5ECBB2534F06A
arm64—Download3B6D6F1E63745967EF6800497224CAFD510A54C8958A9F4FCD1EF2D6963A4CCA
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download8C0B4CD0A12079F90F39B828CCA01A899C1F21014688DD1B3BE58DC459C3C65E
x64—DownloadBE92376F2E9184E295A4EC836BFAE2A5A2470D8D8E322FF075B16B8B6E1F5925
arm64—Download20DD5DB4FEEC4B50F333801D6F6378DA16B6E7F4B739C0CBE0123B081FDAA217
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download315C1BC8980603F0687D08D788EBD9862320DA62EEF49E766DBA8F73B258853C
x64—Download0E4FAEE5B21A7D30EE79B1A962EF2CD70D2A7006A36E81D5A13B6BC9C58A8FEA
arm64—DownloadB1B74B3209DAE1077F30DCAA99607C8C6FCFACAE95042C7617BC703222F0037F
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download08BD9C6EAD466D359B5A3DA1438EB7F5FC012EBDB60D5F2C542A4FD1EA8B0246
x64—Download8C5920B32E5DAF5A5AE9B4A334AB6582D5879E179D0B91949CB673EC6B9082CE
arm64—Download11FD2E3FA0E775B44CF78231FC581E6F5F001EF5840778BD1F4E0DA9C7E270A2
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadEB814AD9409DC829010F98FFD3F6AE027F5CA0F68823181F6C8B86B2CC425129
x64—Download15BFE55CCD68BAD4426A88360902BEF4410E344CD93115E0AE998326A2C11A00
arm64—DownloadC3ED18203EA6A641DAD157AA7309D698F330ECC76095DC30834389BF8AF461D7
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadD739FBBF53D6EC1AB7AE6BD2DDDC5C58060D8DEA96000C9F4DA1E1EB200BE4DB
x64—DownloadB786AC159EEE009B5598D8C9D153669811DE73F790BF3F1C18D814286983804D
arm64—DownloadC8D6D58435AE5CB7CD757BCA93F8884EC2B1F325CDBDE59FFB2BB2BA703E01CE
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download2AEFAD37ED0EC0E297BD84F57BF3E1483FB81DD41730D4FE9BAF396B762D86F2
x64—Download93E7B2E82C46993042F3E7DFA7B903E67F3307CD46FF82B1B39AE0B022CF67A9
arm64—Download003A954657F67EACD51ED2E33BD2E4828324D38890F94C4AC0C2E5BBE7088995
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download0DA4F63F9D5CB16A46C684859569E1A00F7F86A02A2AB985DACFCE5E8BDBF1E2
x64—Download7958C9E258A3D3FE0D4FD3755B0BCDD855920D3D4FB6076C4B380EFBB27C4D17
arm64—Download5D0578BCFA7EA282DE698C09053A89685FD56D2EF7B4302BF43EA0C8F065E242
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadCCEB97013C81C25679A9ACA431C5C1B1550ED5CD3BA640D2B1A1B2A04C6319D3
x64—Download20CA610CB262C91793A6535B9808F177CA0563DC05EC3460266FE99294CBBEC4
arm64—DownloadA484BB0FD8535669BEFCCEB6DF9A1999DEA0629DE352E58FCDD4D331F0D279A8
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download1DC9064554397BD38737BE96E69A90FFA095F2CF98944123EDDCEC72A90A741B
x64—DownloadCCEEE77679AE1FCE3494F60B328BE036701AEC6538E912AD553A0CD5A0F51ECF
arm64—DownloadFB571B8BCD659FBBB96B207C503478A115FF826D4887A6EED9F5F4F52D6ADF3F
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download1C3CBB7977D524B75E89088C31AFB64B2D6C08D750AF9BBC3FC714238630E7F6
x64—Download53EC89014AA8D7931BD3F90A60B8968CA6ADA140C89B5C14F71886B0142575C8
arm64—DownloadCE60EF3916AD9CE25F4A1792ADC03300744365C1F76B47D29701FAD026390C59
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD3B56C53DFE755ECDF604A79B20DF037E42806667D31163D252A27B2A3A78972
x64—Download0A35A46F16D7EDBCFCE4CFD7DA68C23422B666750E9768971E3CF0EF73298305
arm64—DownloadEBC4A360ACF876D6106D787A9DE65F43D980EF8074B4E95E1C71F5D6A1E3065B
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadBA53723240B6A2F14559B16B037DD3B5465E7EA0C6900FBE16208D8FFBE4EECE
x64—Download5B12447103FD7D7F2B0C26DAE228F796B50ABB4F52C911B158DF16391180E76F
arm64—DownloadD8C29DDD89899933CC8420E2FA93AEC3F35BFE9B946FD67E367DAE4B436D1758
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download0CA6F905846C8025B94A318865F2130CDD9E74A9051D42534B2BF27210B487B4
x64—Download8348DCC0E29AC20B444282D9F3FE2CE79B44E8EA4CF39FFA21F44CA289CDC35D
arm64—DownloadCA4EC8E00AE0B81893B4C839EF95D6C137133E7F45CC947EE4A1CA10B127D0DB
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadE2D6C09174DD187792363C26C5D39A1DAD6993D7D8612FB3FB7FCEB02039DC18
x64—Download4425F7E6524A329E974525A681721F8867D7883E5190CCDD95A88D523FA9305B
arm64—Download8DAF6BE0820E6A09063F1366BCE64D7D6EAA481DA800AD358E4A5D5A94F1E3BD
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download21DEE4F200543D08E56DB6C893871AC36D2B2C8A7A1911FED28731A12FC308D8
x64—Download2D23921EA7B632875D4E3A9E0898C0436A0F033815436B77328443C27614CF0A
arm64—DownloadEE14972241F075695C57E5403192788BC82C54C89E9D7677101663E7AFFCBA3B
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download0F941DD2DA2BA819D608813B3FD675FC7DE6872FF05B1F2DD08FB5AA9F59A117
x64—Download059300F2C57B011A274F3EE0CF077970F7841DA50632AAE5E3FE05E5B222B74C
arm64—Download30DA38DAD128B5E04A15D53624BBDFC947A42449095C1588C057F039E2F7F57F
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download9899A78F69DD24D41407837AB13D23C0A69B95197B029BB97A3B56A9D9866C15
x64—DownloadF788B77831CDF9DAF411076902846ADC23E598CBF863D192B340E6E22353C8FC
arm64—Download16AD16DEA0686FC06D8E510EACE39C2FF2731A1BC51EAE3D1A91D6D612648AB0