Tuesday, 14 July 2026 @ 13:01 UTC~2913,429150,779

Mozilla Firefox ESR (eo)

Mozilla·Mozilla.Firefox.ESR.eo

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

winget install --id Mozilla.Firefox.ESR.eo --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—Download9471C40995B7B32946C3534D410E46F6C0E7FBF39E3B5741AA13B4784C7BC640
x64—Download342143DA2BEDD1FD0F22A9DAF152350BFA6D0366CF860B24E3E6D81FC16386F7
arm64—Download667B27B358944AB40B7B9D28209BEA83E98A47C89AE8FE3DD5D4E8D2FC119B37

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—Download06939D350EC61963DC6A0F17C63B0A4AE6F9C933FDA3A0028071CCE76E81C5E6
x64—Download57EC9098D7842EAEEFAE6DF43FFCE8687EB7A1C63B601E92B6E9B55BDC119248
arm64—Download59450A3CAAA18F84C28009857595A0497F8DA71E8345C567575B30CD51FA0049
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download3984DC5CA621B5D6D8DF6779E38AE5A2C9B00808C1C73AB138D01BDBDA449B43
x64—DownloadBDD844303A4418C40CE0D00536AB553ACDF937884D609420717D3E5D05F56D34
arm64—Download8F92521BD696ED0939B1D24069ADBB412096CDF0EA81CE971ADF29A9B625FCFA
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadEE11C4F680E90B66A47E2A482DAD52B39F4B976BCC9709909432925159C2E610
x64—DownloadD921C21EE6FAFAF7F32B9785EAEE424BC97D2E579E3E68A0F96965BC107BBEF5
arm64—DownloadCAB9F682C41571CF21F451990C284BEFC9FA8FE5530CE48C69FE600BB9CD7704
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download4AC26043BF8A5A7114D86C7D308BC2E927A1A6F8650CD2FC8213222BB7D6450E
x64—Download33427333DE5516F176E0872C166F4434BBA7C40BF03235ECDCD2BCDE9DEC3AFE
arm64—Download9FFE8D9A8863F3EB9062797AF8EF943AB7DAC958644A195303486540E5D9C2F3
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download4B874AF45A3D177DE7183A48EB59CE4374F460B123FB2DE44151C8CF0BB6C271
x64—DownloadC9C42D1A47255D336EC835ABECF5402E1D036FFF970A360E69114D540C08679B
arm64—Download5FCB0D088616ABC1FFB8D191B36C80090B5ACFF0AE5BA9F179839B5B0822D605
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadDA6DA21E266E36E897F43D3FE4A269710ADB2FF35776AA63B0F7A3D60B25F06F
x64—Download7F2A3995DE9E04D2456EEF70E8F39465A8237B590EAC6013D8F3B9A2372A4073
arm64—DownloadED0ED99CD5740A57D13228945362505398F17404738835A030C87B7DE98B3C59
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download1D9413B4DAC66785A646347A9A8A55C2DEB78506D4BAC33C06832ECFE0E99FFC
x64—Download12CA29215999D870E1202CD9F56ECC278B2751E0F73B41C21D319D88E9211019
arm64—Download6855B94D90B2E9438CBEF9BB153FB9EF2A968692A4B86E9A59CF5266D6472AC3
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download25DF5F8073A22ADDB65EC76F36C69DEFC2435EF8E170E68ABC63815ADEAFFFDD
x64—DownloadCD1C925E878FAEF14193FB5805AFE82E1D15D9731D49FA6E4F7436B1718A6C0D
arm64—DownloadCF59009C6EEE7791C48E86456A761458BD9F5AD00FD9B10762FEA30FCF93F35D
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download8D8AE8A4DF9A5B4C7AF16000911A383D8F292FA59E4AA77EB11D40FA4DC8EAC5
x64—Download3DBDC6622D0FCAD57569048EA10646AF2378C5640999CF6EF29C2E2C61286148
arm64—DownloadEDA013D371ED7C4CBA2948097E8043ACA1D039FE205CDCE9DFFF79DE07883DA7
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download8BBA08330095BB472696637C5ABD914D08018458BF9D44462E6EE8D3C2826A52
x64—Download8EBCE0C25A7BF1DC575E968EFC8E22854F53A788C31599B666DD909852FC0763
arm64—DownloadB79F9F9B643C41409ED0D2AD07006409C3DAED624294104BFAB6B63086122AC0
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadB07CAC217FEDAB18AA81892BCDE8B1678E025D39C494E355FAC16A12394F85D2
x64—DownloadFC6E2340FB131417B801FEDD506301E9B3EA0DCBF686FAF5FDC44974275525CD
arm64—DownloadF1AD7DCC5876B7BD06D759D6DB24515DB467AFBADE3E12BAB37ADFE48034F7B0
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download2C8B8C7097FC167BE94888A0D3EBD043F71C0081D09336112977885495BAC3CF
x64—DownloadDFD149308EC1AF2495C4598857756BC4DE678F15000C41830D85C15A7BE17B12
arm64—DownloadAC8272E710424ED74628FC2058A2666BD34BA4B175695F2E46A85FA7CDE959D7
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download1CC1385EDB6950B398A06766D83A924174AC921E70625F1D55E67871C3382F1A
x64—DownloadE06F913A59CA2DF6FDDDB3BD17931A3A4A6D30567E80FA8EBF1E60928EAE829A
arm64—Download1272DD2DF3E7C0E04E95202609BF3CBEA972F05C562C423E9B6317064EDFBD8B
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download5C1E25A301F89E1B1FDDDC09507EB3394CC96D5C07A34D0D85F53074E2C6EA0D
x64—DownloadEBDEE841D6EB2478F27CFEA12CC0981AB7C16C0EA12E1495FDC6599B80B2B693
arm64—Download676FCD8E2E2F9A40DEF46C998EC624F754BADEBD1C3C33B056C24997AF9F817F
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download1E3E6DC53A72155961C7729F4267B35621DF60254709748599D95696B4482ADD
x64—Download2AF9F22D5DA500D5B076D559B053C3D6DBA4AA0C7754FC03F03E78EEA3FF6E90
arm64—DownloadC244EF88CEE160F67E8EC3A7163DF4ACDC87562A42155B9542A03A25EF1BBDAF
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download9F9620CDDF54053975C4C8CF88A77E795097373F22ED3BEB254D4302BBEB86C3
x64—Download7A83D7F30E181201E3350EBEE60B4B2C0CFE1ADAA13F70513343A73611884DCA
arm64—DownloadAB78FA0A73EEA19FFF6BF0913FE0C6F167976FB50D8DDDF404558ED4609FFC03
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download194AE1007309A44405D6FB412914F0A231CBBC7FCA1D6AB3458A3BFB93094589
x64—DownloadFDBE2C396B752152A6F0F3E4F326AE7DDCD93B9B5EDA94F2DD5AB2F61443E4E8
arm64—DownloadC6E82D6C1E1C7CD7AEBF6FE3256BD8FC229621F4EE6E804910F0891602F01A22
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download14B6A77F944DF3224F93D9377F51D765DFA8FCEDD3F6CBD3949DBDD5285EB851
x64—Download167650CAFA2D38E2E6D966B9F515BA57AD3776E12FAB3D6883FAD8D0B44E016A
arm64—Download59F6F8411D43560FCC0F7BBCE3F6C4A7D183DBE8DB90F3AE0A475BEEF691FD47
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download160EAB390E210E2F03F4FB449B032C3C84CFA6BF8C80C1FE6835EBE33C8B0E4C
x64—DownloadA838DCCED617B56D5EE606374788DAB83FCC218437AC047330A611C03413C8BF
arm64—Download02F0271D8FC083E38815ED0F08ACB2FD5DB5BF6873CE6159B645C0CFB6C82848
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadA448629CCB7545AB10A33116821BAA16BE23C569661BE69A8C01FAE375AEFCCD
x64—Download93066774023B816E24496902F0D63C459DC673E2CFA92849320486BD22FCAABE
arm64—DownloadC42FA1C2233D8B66EAE335C4E7ADF8C5AAFA68D33B58808515FE6ACD499D978E
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadD18B8AD15E473C6C074A5364CD2A6A203CC9AFCF5C2FAA3004363EA24A8B6B83
x64—DownloadC126AB1FCBDF512FEBD6391E838C5176C65F72B44EC7B8DFBBA3DDF4B005E104
arm64—Download90E5267322EC4008C3BCF5272A38FFF620074DB7A207D17184065476DBFCD107
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download8DDD0F014B4F60BCEBFF85767579F51390FDA636A1711266B815700F33F9F4EC
x64—Download4EA69DB202161E3CB6CDC4509A8AD5E11560B128B69D156FA23B6614CB4446E0
arm64—Download8D5A169478B4A0A6BC9F4F1AD619D2B5A423978A6593D73CDB86131822A4C6D5
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download2AE9AA7BE005F44B08DE613921BAFB11189BAC7391DD6EACBD8709DA006C35AB
x64—DownloadE229EA7EECD8D89A07962CC4A551E2BDCDFF44E2737CF870B8EA9CA3950F7291
arm64—DownloadA3159CEA955312D3BFE93F8F51B9EA142A29CD9E15D0C930789E67BF6E5C7E3B
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download0756FB784236368A511257B5A12F39257F03F7AE7BFBB4337D8D371C2D319979
x64—Download793F930583CD3453FC0F05DB455B2D9A1A055F92A8508B21391C8CD23CE37CA8
arm64—Download469E9036628E3058DDC3837039CE1D19E0F7A6ADCADBECB4AD3BA61C119D1A8F
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download2EF5E2580ADBD3A37927B9610860E40A776A7EE7001B54CBB6E964677C36267B
x64—Download6FACD25BDEB80FA04E5548532BFA057324DDCA982B49E638788514FCE15C3ED2
arm64—Download0BC8BE17A3C3B6809E3B24E8C5C0FF28217F4C8F1D9E2D2FC0C1939357B79C58
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download21E29C86E10BF67B61AA06BFF39C14DC14D3ECE7C612C88647195CA0B09E0C1F
x64—DownloadFDCDF4087B519BF8F50B868ECD2C2D519E3F91E4C6AA44346E5E2F5820F766EF
arm64—Download140B580B7ADC9A4B6B261C642AC1F6DC881141FF6A70F04913A3A3892597D1FC
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download30E410B26E059F90DE5F081328ECC1F257F21B19610D55CCD74C53F532D94875
x64—DownloadF8F980247BB3259E3285087337E17E7A24732B8F62499D1B718F1ADC55B199D0
arm64—Download5C05E5C1CD6BE2F9771656CD51AF773605A8A3F524D002C42E95D4BB6C7E8879
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadE8DD3DA8F100F5FA549CD5D5A78184583572623B3CAAA379B52F6223B3D6329D
x64—Download0BC9DB9275CEC016E3F94F6630A98009A22F18B18CE2EF7518CCFCFB129CED2C
arm64—Download5A0DA2310B1005942A7B19F3887D8E8B9C242E64FF43F7F5E9258D495EEC05FC
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadB345C6F2AC4CD0AF65CC7088C1FE3873A6B83043A3D911BCB732F2D93E339BCD
x64—DownloadB1475FE501523CDB60C7D890392F58102FF8FD6E43F6B35C96FBCAB65886F026
arm64—DownloadEDBE06FFD560D00835FCB7F86A615D40311BA1801C23F96122277CA72D97209D
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download601F26235F118BBEEA75224263C227BDA195B6F496736FB0A0B4F45E0F0A01B8
x64—Download2668F4228E4D5F570321DA99F29A9586C504C9CE6A1234EDEA957A264A0F9B68
arm64—Download711F0457582B802E321FA95CAD389D0B4C624E256ACE20368BFF22DBE3E3DEBC
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download5CD4983B869D3EEB3C2DF235C254274E026F61DF3F3C83DA412BB1DFD64AF8BF
x64—DownloadD1F0C0263C922630EB0554BE8D71B9575ADDCC4B561A070FF6C0C609CABA2C7B
arm64—Download04CDE35F4ADCC3EE1C5C85EC1C79328FF2B5218540CB033CCFD79340B65AC7CA
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadC5307BC741D8EDAE1A9BD14ADCD055CC16E4376D47B777EE53AA510EA54F3B53
x64—Download97F9724496FE2EC2AF373D293A8B59C9A1A6C14C85C0BE41C548AB401BCD7BDF
arm64—DownloadC04CFBB4F2A366E363E3DD3BABD89127A9A6922667FB4F7E8697D4B5A945823E
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download6CBFA57E6A1F2DEA967E40EFDC761A9B96EBE4F769D2238EE222AA5A0DA09238
x64—DownloadB64979A395BFD4DC5A459C8DE71F2668059C5313E4F5F1CDD49A214D3185CF57
arm64—DownloadD8FDD429D5221D3AAEF28E9AE20A14CAC60F7E31753FF7A16AA41E9C256C2936
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download7A79071554E0937BB34300FFE1144B76EE7031CB9DEEFBDFE2340816222D016B
x64—Download01127A47117516821A4AC335F5519F1DAB29E76AB69C4139980D8AA159929BA6
arm64—DownloadDD1362E2FE43B3F2A160E501920984E211854DBB730077DD9AC9DF88FD6B4EB5
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadD78B362DE3EC3EA8FEE10FCC99791226E3722441F1634A493863C5AE3859BB24
x64—DownloadD64CB11A3344650BC94E5076DC8E0E4B4C175EA292A6696F4700588C8D182B15
arm64—Download0E0BB77917CC10DC1C3C9C60EDE4AA9486D15B82B0DDD5DCC59929A89D768517
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download6A6DBBF8FC5D3DBAD17835A9A78C8AFD404073C782EA4BF7E71E23630AF0797A
x64—Download5F2F4100B4C8692A27F319A97A8D69D39DF8FDFF82A2DABC15531806F0C44E5C
arm64—DownloadD0BECFD9E8D08ECB693FCFE4A60CFCF02149F16B3D0463173F1AD79D3BEBD2CB
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadE0FA7CE4C50CDBA352011C0453569CD4872C10D08407B0109E2739BCF0BD0ABB
x64—Download55BDF07520F6A56485F1DAD696CEA07A462A177EF17831776CE5CDB7E096F00C
arm64—Download398D0D1C0339F440907D45C3F6B577CEBD00E8051E31120878ECEABC34A6D091
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadFC393997D9EF776A1561C2356B62192C91F27228942DCD3DDC4635EC4F5DE235
x64—Download8FB898DCA4410801C6B2A44F2C625A4796BE4FFAC13D0B930D42EFF1D9B7B76B
arm64—Download7F4FB7DE508E45072A826B43A061D30926013CCCDBB449292EA519545D97087F
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadF2639D44B18344F57B5299DE0DF6A9E1E5584EBADDF0A6811D6CEF2FF37F6F5D
x64—Download53ABEB36C60CAB7583567CC06FD660BBD214A594023F622878B6CDE344239441
arm64—Download18FD09B570A68E13CB357F04AFE133FF971DEBE7916BD68D1E24AC3BA4AF7555
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download76E832012DBEB1989011EF5A1AE43FDC5045EC7C1D43E05ABB8180A65F8E2453
x64—Download710735E16EBDE8561B49D82511B16C41E9D24EBD2F298409F9D57C30DFC336A0
arm64—DownloadD0E0F07984D16076453F3016899CC5E9C9E540767B7B88C2DF8C448D82398A99
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download6A35A7EE0E11E845ADC277E651165F1628899180DF54DAC3254B45AB14B89B8E
x64—DownloadA8D903B95D6F6680113416DCC49B4B9C33DD3BA6DEA19CF2867A1F4581C8C673
arm64—DownloadE177B26EEF353342D41F7C05E33BCAA77CA6450C07FFB49D90A0D7EBE800F523