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

Mozilla Firefox ESR (cs)

Mozilla·Mozilla.Firefox.ESR.cs

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

winget install --id Mozilla.Firefox.ESR.cs --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—Download16A57DF0543F568866EE2210D8E8F06E630FE9D2C64F985DA3FE1625876D8291
x64—DownloadA6C31B0E73F019B527CDB6F109295CC6A68CD0769D45A86CABB871C509396347
arm64—Download5AB19ECC5700C6AB70E98AB6BD05D88A44821C546090ED59D4CD4407C9C90843

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—Download3147AC47C91008A8B699377EA94FDFE5918D1F7CAEF01297845558B19C5FC083
x64—Download19D8CD57269F74663EECCDA7FFD8F7B513E92205BBAC27C55A3225616D72D5B5
arm64—Download5E3AB3164A4102F0E17E88D62D076F81DB81D1B4DF1A792E66833CFCA208D057
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadD4D3ED02E009F2F426BD6DBAE0019F8704D6605985AD59AA5770A0AC3F5E8171
x64—DownloadAF37836031973F3DD3C242D07A2B3C5AB1259CA748161BDE59D55F6567B38233
arm64—DownloadF6219C0A98842F314196EA1F212B767DFF03F329B0E7EACEC6460C43E32E77BA
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadA6ECB040E7B27F2653219101B2FEAA61BF9208F6C506DB7C3C062A454B965936
x64—Download4FE33CB15C934AA20130DA414CA8189D88FA3D135D149ABD84D5B1F668CA7AE5
arm64—DownloadCE6422F43D622AA57B8A8E0295202DEF1DE60DE78E678CD3DF2A4A08F24EE307
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download49F0C2E03291388EDCC59993EA7508097E7CEBE47A5755893A75D02DD0AC42AB
x64—Download28253EC4DE4D63F7EC8E3D7D0DCAF91876779886EF3097D6505D874B9FAF225D
arm64—DownloadAA90241ACE9F9EEE95A6799CC5E5673A7895A539780A0957EBAFDB9E4410D97B
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download07AB670F4A3170D124CEC3F4E799854A020B1627620FA71F402D28AF29705FCC
x64—DownloadA4D138B5DB6F80DB24C3025537172C003CBA24071CB7805CA1938446F4CC52A7
arm64—Download98AAD07263BEB7F25F8418742EA6B81B84A63DA6E7CCA9AAA910F714713644B1
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download2B0DCF07CA2379A2E6B31B8898425B5D34D574E8B42B72BBA49C69B181359909
x64—Download04A3E084D174A52094D11CF53EBD5E6B3FF4F49F85A10E5C545A5A8B4E8AF8A9
arm64—Download8A1D516E1BA4EED1F738D0A0C8F3A1A327BCEAE7920BC82C1B963CEC929ACD77
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download85F4437DF2676651DE863C78EE1381FE362AFDAEB3AB11F2F9F767E27EEDD073
x64—Download6BB8CE3B0A7880CC2F86167D8FF42C9A8B668DAF057EA1C86A99D1A1C765F770
arm64—Download46DA2ED2B54EDC402C1D374E30D8AE0AB4C670C138079414920A0130D54ED99B
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download124CB3C473F85823580FFD3433D87E917C72F55E2A8E05EE9AB49DF5B2EE446F
x64—Download20339A469E2AC38500CEED4DE5FCC05AE580B74D3A3DD8DADFE41F255DA4D2EC
arm64—Download8034195A7D4CC2BD5F678F1644218552EC886B492D0ED47C25EC35EAD8C45FC6
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download369DF8BCB1FBA954F6952B719DC0C9C5254559F6FBA8CEA4306583830C1E3958
x64—Download769274948FB826A437F6CED2254A4C8D02185ECE1A6B9147A2143FA320150A06
arm64—DownloadAF2B080767A0EF1B7C64B73087298F0B28B137E4B13F8AEA4CBA710BB4CF1BCF
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download68FEC243877116D11FC6E1C6268512D60577AFE593AEDBCD6852D94372E1DFBF
x64—Download676FA767045997C804A8B2CE2763C9B5D01F8C6824465DB71AFCBDE60503D1BE
arm64—DownloadB1D207C5D2B16C98E26309B3978C521124FA7BD748A8872B1E25B20524756539
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadC5DE5250EC9E488A65C689ED592C18BC434E085D80381A6C3C9C813AD294F1E3
x64—Download38D4C43EF784156091A1A80BDF38F616D6848F96E6FCDAD017498F7E254DDFEA
arm64—Download8494E33F64E961ACF70B3752CE4CDC0423E9FB6C7D519BD4E3584A82BA325BCA
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadB98517816F63DCEA7AEDB0DFF01D5A097AAA399680CDCB5B9E8D73DE1498D0BD
x64—Download0149A551AB46969EA10A23A02E2AE0E1E3C736D2F0876212FEEEE1E12605FC59
arm64—Download930F9631E257E8CEC899170B54FD17D7F78888B9BF9A11EE08E86BB786CCA819
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download2B7A68C8BA314BDDCE91209C1510596DC836EB6A91FF29B83613524195389632
x64—Download6E0C1FB589AAF57BA29B462E4BCDD87F8535CCEFADC07B9C1EF9F68BF478E564
arm64—DownloadA8D32EF3FDC0749BFA8A9005394288BD0512797BA19F799042E0103AA9131406
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadC447463776EA44E74F613929931ABFEF4CD2AEAFC07EFE1683F90B597C1A202A
x64—Download698FE961FA100F49E19D54A492EE5E99346D8AA90296905C61CB356FA53EF3AC
arm64—DownloadD4F9503EF6D057BED51B29793FF87D92F72F26BA20F219C7FB15E29259BEB392
128.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadAAFC93A38369070BA7FD519C44C35028BCB13B6460AD33A7487123B899543ACA
x64—DownloadEEDABB84B6D18EE425C7EA000919AC9591710CCF620FE015BE48865BA11FC33C
arm64—Download3FD97287BD51FFE9E3410E96C1DA50805304278AD329DE9811FA8A71B976CD39
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadB4F55EBAC9AE433448783B6226F7F485E0AD886713045D0224433D9AA3115C0B
x64—Download5FE63328BF49C04EF4C92B5515D43A459CA085FE25C1B57A8E93AE5FD7A4B44D
arm64—Download59CFEB7AEDFB05EC1F6F3BFD468C2DF9F588BAF46F7CCE862DA79E7992C0BC65
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download84A35C2E725A1D9C1E4E3B176D649DD14AD3C9BEBB3DFAFE48EC9F72AA3341D8
x64—Download449D317613DE80D24A1FBA88D228F10A4F3BAAA1BCE45F1FD653014432990530
arm64—Download34D96ABA67DC1633F7FE43D19745D5C3C1AED2AD3748030A5B40C59CBDE6D9E3
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download7D34F7DDCEA4F0658454EFCC7793F99B2125C533414E2ED7E171194DDE9CDF72
x64—Download4C041EEE7D5BBDF3C74FC51F175B2A17D3C3C6FED3080305970C7D4363176947
arm64—DownloadBE4DA30317250E9296B39D52F8D4B82F6AD207D7B4585C818CCCDF0479B359BA
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download9F85C44503045F769BE8C8C69304550831EA654E6E6A207BF0877BD1F0E49D40
x64—Download825E07CDA5701BDCAFFBF10DAC838E1AC820BE7AE93839E466D69F8F7373D971
arm64—Download31F24ADD8EFD487E251BE3CC7D2A3048F998DB2F0687D986365436AAD21978AE
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download30E95EEA888B4C6B1C600E684CF5A3A001063EE23121A46B099723B500ECE00B
x64—Download452EEB475E4C249DAC6C6B438DE8D352D076628A0101FEF37041DEBB687B8F1E
arm64—Download4C4AEA268FCCC9BF870D881B1B9C14476DB4817EA946BCFFC50463B5039EEAB2
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadF030951BA8BEB7E46ABFA131D274DB00CF59686E8F41536C507A72B091D891DB
x64—Download7FF5BCA390F19DB86BF8F00833685BA5A3EE5CCF2F4F50C50A61AD492B90AF26
arm64—Download4711BB1A7FEC9F701EA95C335BF47306F7A77CE89C6136E9089B67DD48525EE0
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download16CAD50E1588BD47F10F09E7ACFDB8005C55CACA2687995DECAD8CF100BDCC44
x64—Download8F75BE08EE57C8C291C653264F43E68D9A038DDC79967F4831BC083B860EE903
arm64—DownloadFCC691D62D1AE7C239F4E870105E6ECCE4A1A9EB56FFF6E01A4F0AA2E8665127
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download108894988ADDBEE09AD8E4747F9E7237C9FA7E901BFB99B1B9D674CA51E3B80B
x64—DownloadD4E7FE001D91EAEC1D000620D1EE9430B01DEA30B4B4BBED4E6A78BA50A5C44F
arm64—Download73125CCAA696A0AE6186EC3EE35C3119780F67CED1B21149FD356904BA62B564
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download76CAF3AAFB5241818D1CC6854C92796C935FABB44C3C27CEDA64E5B2DFE5123F
x64—Download4A765ADE7FB6B00B28E6CFDFD35467807AAC822F461836B71F1BCC74C19C89FF
arm64—DownloadD1C5EC346BF8BFF1E0C31407522DD9B16A1D1441E251D6A5540C4689938B5AE4
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadA68606EBBC49130002A5D5C17D64C9C0DF78CE83D08823B3FE39607E347FE187
x64—Download8098E8AE358B9224AD9827F95F11559870E9144062D346F6F6C17F64BB2FE4C0
arm64—Download7F170910732DE80A817F9C5234761467B84DFBD19DA84DE324DA496F9779AF19
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadA637417FBC2D319ED0C9867DCEB97FC347E01B2546F16409D2183B5AB2724726
x64—DownloadAE8F9CE67B297BBCE5CF9A6AA67FD6649B5C0F429E33E7B8563B9FFEFF4CE61E
arm64—Download79303756ECFAF09A1B8FBF962B8C8223675BCBB241FBE6576237C0758CBFA302
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadE203DFD0A1806CC29947E26E567A14106C376B166B0742A6B8ADC839844FEA98
x64—Download03173582C208D8C43B6E62AE87FF148A9B76B1FE738210E48E990BBFEAE91334
arm64—DownloadA8B87FFAFB5EC0426B72B9C08984AE332AE526CCEC34319256ED63DDA5FD7570
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download1991CDA6EA61F4D8716A48224AEA6382D659E1DE9A09B69A6FB63D7CFD515EC0
x64—Download43740217917F135048076E043C7747B5AF95C458D82BC25AFCE61DF69FF20F63
arm64—Download387295928E271556E0172CC816718D4348AAAE1E46D77237CBE9283F09541C66
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download928BC3AA08B2C7BD938C2AA00D36007AA5940BB97462D717A3A9A1BA1C9A8E3F
x64—Download9951221226BEC47DA0D78A1E545BE6634A62018C5477F0FDDC7727FBEB91959D
arm64—Download88A8F7EBFA92E41EE06D4F1E8F357A5098E4B854DAEF13F58BFC075762E3EB15
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadF3F56FFD6EC32F16EB94B8C7C64979C92EBAB786D8EC8E668E6BD90E86E0300F
x64—Download8FDE5F5180C7FF3DB3003441CAB3E3EA980310A1DACB0D51F0B087B17A7AE0E7
arm64—Download15DEEE4CAFB9B6140869F9BB386D4DEE970FD1A4AA483E512C6288A3F423869D
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download59BFCBED03781D378AE9C6C80E294E9D61380A7388CC9EDD109971418336128A
x64—DownloadB0F36060FF07FBE4FD5CA53CB403DBE4C6E7E1C61F4DEC519481F88C88FCD271
arm64—Download5A70A41150B4427F3053FA25ECD43D57862EAD6070A9E11DAB0CDD3268CCB20A
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download7076D282842BA755422D9811F9A515E6E893F44B5E006FF9494D2B4C122B00B7
x64—DownloadF265100A6FC18C8EE2BA5A862ABFBB22261C5985ECCEEDE1404FEEE0B611E961
arm64—DownloadC0DFF7A34001B681D3E9F420189D4C7DE3F0864FDC6B2621BDCEBE435E4807C2
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download68A9AA7AFA6B1F682BB6174902C8BE2C2751597E7B6AEB9B544DA76D4C3F16F4
x64—DownloadEABE05C4441500E93DFC643380D3B90C7EBA075CCC29C19743ECBD55656F837B
arm64—Download0C8215ED0C8C4CEE0F70B84F9DD2122C062F2CB406828B55F70322CC781419C0
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadC3313C1CCAFEAE9D5C59BFFCFB04BE4BADE4BB6E1C3F5A16EA7FE5FA67F03DE7
x64—DownloadB96A1139EAE9F7C53909BA74A9CB922314FF89D7228A4C69A31DA8C79371CD8D
arm64—Download754139C2026BE7B65D01064E7AE43A44A03DD0DF336CAEE6C6C2CE78459B9F1E
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadA615813055B950F2C1E3538AA9C0D7B074F276175C4418CA204A10E8B0DDA837
x64—Download6B6126BECAFD7188F306BA3DDA096454EBC8DE20B211FA8D6419EC0AC31B2B9E
arm64—Download3AAF529D8BD59B9C9511CB62AC15CE156D18A0AF04FA77387A42E8975BB54EE9
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadAC8D2BCD2FC35856771613E8F2F495E81E3B689988214D39702287FA39EDDD81
x64—Download58BF5BB77C3E81077522E98B6F3886037D849156A1194124D47BD97EDE98191B
arm64—DownloadFA999A8F0EE1DD1D774B335BB4CF171D5FE902868817D7B4CDE5AAB3B44B4A1C
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download15033A7EF07957F27D174C8E50A5AA2A1F518E10A60F0867239096FA21504DF9
x64—Download7CAD510CB90EB2BC42165EEDCBE9802A2925180E1B7BCC09F624F033A520286E
arm64—DownloadE6102EE781F2559DE93E9458DBB83582E7C297626D8075678EE7415C43F3D6CF
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download4FA0CF3EC5244BE6FFAAE51B82BC047DCFB519A18A32202EA4D00CFD9D2299D8
x64—DownloadF9ABA52FD206F29597A18BFF0C81A7FB5CAF077277E50FAE540DEE35A8DA19A3
arm64—Download2BE169DF01695ECDACC6460523F27CE49D2F3132E60D3C1B8CD3FF0B5F08D7D1
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadB246011F6A8DB29D14DF9104D1E50067A64C7B89CEAA5CF932ECDC927542283D
x64—Download8427EF4ACB7823ED5147E2EB0643A8994A1C0CCDDFC43C9C88C65D4E8107771E
arm64—DownloadEC051F26EF31E6193C538EB2706CB32A61937C01C4C8453F1D3820530FFDD5BC
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download0F7BAAF472E2693923A633E9D6EF5188E083B712FEF849C8DC869302DAB7284F
x64—DownloadA5F857DDF9564AF71A906BFCC2A3F3ADF09BF07B90E2D6B39A3871BA89D02B67
arm64—DownloadDF08060569DDE01898114C68BCE65579BB0E0C7E10940E4AB83935D9FFAA7732
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download87245CDF654F7A41484A87BD27BC2429EA636376458F02BF9F058B4EF89E26AB
x64—Download0481F541C2533E06698D40D1B119B280EF0617F490B77A64D38F83C15F30CC02
arm64—Download27F2C420CA307D336F04D219883298F5A45829E71D3B0518B8ADFBC89B7926D2