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

Mozilla Firefox ESR (lt)

Mozilla·Mozilla.Firefox.ESR.lt

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

winget install --id Mozilla.Firefox.ESR.lt --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—Download47761A324A7BD17B5CACD0873336C012B04ADF06111053D2824E952999150A2C
x64—DownloadA9D040A8F430417BEAEBCF23AC89BCDD868E1690BBA9C361601EC6B306387034
arm64—DownloadA140B5BD85B25D9CA52DBCD9CF9B9F96AEF1D5CE0C6DAE788F37E9B649B5AE7C

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—Download69A050AF5920C4BE0C934E1173EE5F3E6CE42A34DEEF9B55837198E308FA4F0A
x64—Download3BDFBAF31822253431E00164196765EEB2844C59584103273259E12936289083
arm64—DownloadC8BD87733551524403A978E086EB33DCE84069C82E5261653236FE0FF8D253A4
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadD14DE4BA4552DB78E86107F85C2418ECC15C0CE464EFD5D21872720FEF6358D7
x64—Download5F9A6F476DCDBADAC68450737E44F158139A176375859818EC1AAEB7706A4A05
arm64—Download7893C111C70F69A51959FFBA2F39CA9B284322C2E117B39A36C66BB6758D784B
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download66C8C73C50D488AA38D6EF2CA97583B4A2DC58D3F1B7B587AA0ADC6737136A13
x64—Download2DBA176C9C4077153DEEEC62FE876445038B842AB7B272D0E9EB587ECB1FC6C8
arm64—DownloadB6055874B4716E2E2994BA8FD04789CAE0847F0D98223C1288CCD6D1A4D6349E
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download61ECBDE5BEECE197DA0B2E9BE1E6790E36721F8A67F4F1BCF0825023FB4A5133
x64—DownloadBCB04E9B055A2117003ACDD9267EC7F22C5E8D1108208CB741450E2EE602D05C
arm64—DownloadC80D001A96B5006F821424D5180327868BD798B6569BA346450A150CB6271E92
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download2C5873F88C1BEDB56814AD6BA3BE6D6C8516A9885CB77826E9256995CCB71167
x64—DownloadB1879CEACD148E043B34A03C03DC5A539A427F71FF954FE59B8F448494832ED0
arm64—Download778B39CE7F1EF915B68006DE4FBD574FC1451E1F5993E08B6F6544CC1AA428A0
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download54AD1B52409DBD26DCDD61D0F31E32252D78B8DD32129A98CB857ACC31ED5F3A
x64—DownloadAFBE30E2CB6DB72AB1C69EE77A82059D8BB2931E3E7FB5D63F5292C18E7BE67C
arm64—Download5CE412EED631E15052F25AA741A29C404AB1298F68F4CD40F68747459CFF44C5
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download4DC36B166BA5FEEC2E1B47C863D47B642F2265F42C14E2976907C445EB28653D
x64—DownloadFF999E4EE2FD2A7669459E2D73A9CA0B0FCFB053DDFB25843D328B9827D7DCD5
arm64—Download3585412C81BCFABCDBD44A4EFBEAF7A8020882BC76222E1F59720A1884A9112B
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download9D5E2BB39331DADF3D4A5544AE0354AD3F8D5DD41CD80D550907B8AFBEFA8624
x64—Download8E10665C5A37B6DBBDA0C496AC9F2DF66640A5DE8D2346974882642C34FCEC3B
arm64—Download4F2CA5F900F586DD4326B9E03ADB1F31547C41F33189D6316E6462245A21F474
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadC2F8D62FE19C39FB71D5167DB06973DADDC2A5645F307BDCC08CB75A610409EB
x64—DownloadEE036B659E1EB98A83606E51A4BD1F94F1755C1D64BD560BC6A1CC7FAD123BFF
arm64—DownloadA9DAFBC192A9382D748C38FF2DC6D4FD046A0571D4A9C3FDC0CABFCBCE185B60
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download8B3847328689980484DF9E877E6C0328E7C2C6DE25B4B22EF359BE6839BBFDE5
x64—Download8270B1EADD9C11FF625FDE1F9F6BCA75E5C47E14A896BDBD17B114D67DC25A63
arm64—Download33B699374E53E78EA410E815065166F9CD924464E60674740B0F385B7C16DBD0
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadFD09F5AC850C49F0B79341F8D9137D0F637C07CA46BD731C2F958A2F6018C3AA
x64—DownloadE53D6390C6D4623515693280B42911ACCBA8DCAF076FAC4F6CB2F56197027E8E
arm64—DownloadAA15A6A6F9FFA818D0D722349EADEACB362B2F506D81E69EDAC222566D46A603
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE6E735F07AA2217976B522911508BA853ABA2509E0BFCEEDFD2CDAB423FEB5AA
x64—Download6367137D61C6A2C2C65377D4AE27CBF18652F48232EF7E6E93C86BED785D352F
arm64—DownloadB763A2FCA230E2FB1439D0F77F46BA9AA41061E38B70F446F3484A15325849C8
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download31E6DBF527B99F893FDB8B83153CF1873B50B05B22233E6FF5D3E900F94DF0EE
x64—DownloadFE7F5C6C568DE7ED77DE6A12A69A02892658A7B64CE13CB57D98E0C0E0E50104
arm64—DownloadA0975E3474553870C8FEAEE5E4EAA872AA50B386C7C6BDCD0EF9B88D97779D12
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download12D2C9E6AF308315124335BBF5714330388013C0BE1BC2EFAD0BFE7F44DE40F2
x64—Download049D739714904EAFB2B4D9CABFFAC0F8A5095F895391AFA18D72ECBF2856388C
arm64—Download00C341323320BAEBA41E9894D1289CE82583708B021DFA861BCD9432789A476F
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download903442C04382517DA16C5A361D31F1D9B053C581046A9CC8041AF75BB9B41AD1
x64—DownloadCA23BEC4345D3943FF68926B2850B8EA5734368ADEF86657F79C9ADA8FE18037
arm64—Download42FD458464F3B010F07536B512247EA004E4FAEDE892D9002A267853F12E37A4
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadA7282AFAA37FA3960B18599F0B315E0C16062456CD98CBD26E2CEADBF5CEB4D9
x64—Download20A51EDFD8AC8A6097599B2987E7321D78249FA0405C82C2EF18CF22B57CC935
arm64—Download9FA509603B118123A6A276FD4B3943729F8D3CE1680137FB280216B3A2B92019
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download566AFE15330CAE2429AEAC27605714ADDB98EA1D522D3DDD33A9BCF9C6A2E366
x64—Download4718BDABCCF59B25DC4CBBF3FE4AD9D5FB4C1F29C16ACBBACF329E3021EE2745
arm64—Download72F39EA28BBC3FE7D6D4BA0EF1610CAA247B7CF6C45015E5EDBB804689C65776
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download7DAF966892A8D5E9773C65413ACE8DBC596E0E6D547B8BB5CEC19D87473354F9
x64—Download0683FB13889B442D3C86D0000E13131C9D0FF749C340439B3E24E49C5D67323D
arm64—DownloadC958233DEB4A29968F64C46D59EABD9C6058FC692B3320D8F7E7BA46CBE0C5DC
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download879A77ECCD34937E71C4CCEC415B922B4B93DA5D2B5ED0EB8B602D81A6B7219D
x64—DownloadBAF2C955873F01382C90C5B6E6061FBEECD81696DCE08B695B682C5CC5E81BEF
arm64—Download50EE701E7505E172FD34C526B32A7CD59420AFEB61A3928A569B6B10EE6E4840
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download9C22C583A669AC4C61CA33F3E94BD596FCCE76FFF8489AC2838D3F6098FAFC6A
x64—DownloadAC00E7D0406185A561BDB5A0A7CDF6525CCDB3D6E3C3FB2AA3682302452C06B1
arm64—Download62C647EE269A76EED2CF4D8631AFFA7F053FBF123E2663394AC191852CB928CC
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadF2C6174F79ED92AD285DCD576030FC866100C9A183A0BB7EBF1F4DA3F31EFF2C
x64—DownloadED9D0EA3A766DD1B8DC56B3D3ABCCD5E078D8F44D9D36008CF37B0CA4B4A5F65
arm64—DownloadB92A6BD70BFA88E795FB162F4E72BF781001893FF6587DAF8F8FC4B409DAC753
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadDE9DBAB5FAD0B92E9A6A73573CC7FFEF5C0FF63390FD0571094275BADC540F8E
x64—Download57D47FF52457DDB7B791FB4CB48D7AC14249AAF139C8ACA9455FF5A436673821
arm64—Download8DCE1AF833CBD91F4A7AD7E2B1F8BFAF03CBE9C79D4A929AE541C1BCFE294B40
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadA0756D73518C35205FC1EBDDDAC800D1FCBBEADBECB956642C524F9C961B2761
x64—Download91432B18F1BCDBC9DD1617DA9222E70CFCFAC07F770B8EB4E03EC90FD17AA041
arm64—Download9537301B450E945E1CCFA88014F66571444FB11CFF5843741EFFF87E43BE15A3
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadC866A12075283F47D4D941143D835D6C34C165F0E7CB037476CF8CFFCCF353B0
x64—DownloadFC68E15BAFB6C9598F8D2F71ECB8AEC3B1B13AD1FF5ADA7A48A91166EE7FFC7A
arm64—DownloadDFB74926F57C4CD219905753584FF6B9930D1A8E50816180A1FEE0A1B83C4ACF
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadB4A831CE1C3FD301D194D910A958231B1B0D57688BF390DE81C9A919597DCA0B
x64—Download3E1A50AFA91770953561D6B51BAB9F01B4EBCA1CE4E736D6CF324BF6EA9681AF
arm64—DownloadC40E95367601337B7AD829785D5B847B7A6AF4C552EE88C9D7096015C771868D
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download664F95ADA56CB4BF770745C352C8D887EAF4753DBBBE657F6E73A9498D06A9AF
x64—Download768C4543C70EEEC0F79E298D8F8061EFFB9B6C1899D2D902105514ACDF4C0168
arm64—Download73877388A9AEB4EF6837DEB89993301EAF3AC81EA24429BB29ED52AF72ED7AA2
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download2CD94D1DDBFC20BECCEC82522BA551C0F78EE0813AD5105F8AAEF85BF0870C1E
x64—DownloadC2D8D1A96A6A7B012B98D6AFDA3DB9BF655FA4D66B552C1CDB132269A5AE05EC
arm64—Download7B4C66E84566BA11B396C28281C655703580D4900B5EFF2D036637E6AA755F78
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download76870A8269418F07C27DF5D6B6AC37DF344E7E92254558799A38642D1CF596A4
x64—Download7008CE36C18438EDB89E5DA75CA9BD903F058E91F95AF9B83D8B9D1B1321829E
arm64—Download1013180AB41119B2402A7C5F3F5B686C0B4DC25DC762FE142A9AB5CB00128EF1
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE7D622EB1B89A49F065D527607F389255811A9EBC861FCD10CA9F24C1F8C3616
x64—DownloadD934ED7076DB961C5382956673D52D42270A3FCA609C427A598570EEA0EB3DEE
arm64—Download30AACEB54AE9C7FE69389AC140CE237DD688896B1D25F1E53CE34174E5E92E7D
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download95C44FA6F2A4D60BEFCC3747FCA8440398BC89EF20AEC05D896F5621E5E55693
x64—Download5F4F2DB75B56AC8CD6B83FA9B7BE6BF0A5C89266DC61AD1D729CB7C9821269CF
arm64—Download71FF2858DCD962032B9549E0D5F02183CA9F3C836616128768FF49414EC0E81C
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download783FC408663CB5F7C14373963A76F36B7BCB8CB5C164596A6FA108ADAE04430C
x64—Download64E4C916436DAA4D34443366CCE4F4D24776D1232405D6582BA4CCF8C2F75E7F
arm64—Download8EBF4F982601F4641012F8CC38561265D77C760B50740AA4C1BE76D849DB293D
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadF4A54DD8DCF5D7E37C5F3AE388782245EBE6FED9A1A94898FDB87D571FE736FB
x64—DownloadDFB066379BC959C761277B2B30A9D2F89DA0DBCC84BB08B6A029A9E1A153CB6C
arm64—DownloadD693AF8D9B1707DE13E81D5A9F263C2B54E03A818375A8BBD4ED3DF73D9D8ECC
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadDB15F9398393878546836BD0EA30F459FC8B40612FABE182F9FC75890899DBA5
x64—DownloadE45224B1A3EDB6A8B82D9E85E9CC988BDBED10741B236787EA624ECFF0C20ACA
arm64—Download5CD5B070D1C27A5F64CFDE2728B748BBF0567B3B6077F2A8C17E64DB5F1EBF33
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download06D31D23CFDA1ED763B1BAEA2A5BA3AA3AA54C5DD34789FA7CFA101F9CAB737F
x64—DownloadCC6703E2180439F0CE32AF56CB99F58E2C30288DB7EEE76A60E875239A2D6B2D
arm64—Download665ECE49D05684F46BD0EDC1118B348209E3B7B2050E1EC0232927B50E1572FF
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadA51084BA3B776962730D9D36B12940129FBDB8C865BA43C63B7FB57EC7AB3314
x64—DownloadB8CE004A6ABE4294AD6CE639003CE8D6BD63BE4DFB5EA1C4027B58BE054CC5A6
arm64—DownloadC062CD019EBA985FB06E5F59E4AAE006D1087F4DCC39F7E0076DA170C78B057F
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download58ECED2566E84F9BFBEC6FEC62AA8E489D1BBFF49485F10198EDA74E22C7FE03
x64—Download3A388AD018671D1888B693409345155B110B12291CC547E2BA272C87753AF3DD
arm64—Download099A6593336447922F576F09C27D19D6B410420C17AC5011C1BDA05CFF994A58
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download00D3B5043926C7383E010F0B2EF08E235173503A734CF602AC4F994A6166E9AE
x64—DownloadA824C3B109C93242675EBE2A834E0CF65E4C74EFE4B5091D5984BC317BE526F4
arm64—Download7B74BC8781D6E6410461FF068510C07A205C7370CAB21D78B6844C33C224F2FE
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download599B7FEB54638D1343789C7A78E7DB84CC208C109215EE9B02B59D882D5D082A
x64—Download1E2F61E17C57BFE3C670D12186C18470E181D75BCBA6D373E17776B836E09D31
arm64—Download7F20EE4DE11D39D65978A7FB8BC52733109DC680F1B1E388A7AC0D9C15376ABA
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download3D71B1466DF299F7FD3DD96ECDA62570D6FE782EDD418191EBE68EA411DB9CEA
x64—DownloadF3E1725C83D20AE732323D4D7469107626075914EBFF4BF16A826B1C5D2AAA4C
arm64—Download53D7500F92793850746A1940EB4F2D9AD3A9D3D8E43C24E8C628F42B0190DCA1
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download89712CC2C382BEFA8285A8E8107225CD177107C9D54C2342BD66662C17D6048A
x64—Download4FA0FB07B792A881ECB013B4CD8E4A235B67FAF3814E529082CB103F3FED743A
arm64—DownloadC285368272E6E7B7DD3D10D847C557B73B20BFF19E1A5C0AFCEE2AFBCE40E3AE
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download82FA2C7A52CD47DC5277B3EF419BC69D4F10C4C2049A229B629775B175CD5C3F
x64—DownloadF7191F60C559A6274915E3591896DE5B2A4B950046355F7EA0E6C9A36692584D
arm64—DownloadC92F82487CB15302B53044F31109561AEB5FDD8F55DFA2D3846867E54ADDFB87