Tuesday, 14 July 2026 @ 18:01 UTC~3613,444150,879

Mozilla Firefox ESR (mk)

Mozilla·Mozilla.Firefox.ESR.mk

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

winget install --id Mozilla.Firefox.ESR.mk --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—DownloadFDAC6BED270A936022E713EE56AAAD7CE68A0C15EE16E21D76EC8B3BF056A054
x64—DownloadF36D16D763896F98EA206CACCC810BA10C9E43222B870D2A2B8498CCD2214375
arm64—DownloadC75618FFBDD300443ECAE9901AD9CF3354A081BC23D1B2F044C6449CE6E5C859

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—Download55736CD881C4418F1FEDB602B614973C2D0E5830AD6B4E0FDB52231AA6B47B03
x64—DownloadECBC40796240DED1CA98ED31B2A9D08A45116A682A0CDC212011D4655E1B0A96
arm64—Download1C9834693A410BBCCE476E60DAF568B5C066FBCFA90F0154466408198BA41C80
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download465C10615D64F72B02C9880BAC142D08F1FF9AAD18188753A51289C12CF9CDC8
x64—DownloadB9200CF72505A7A3AFA91A9BDB6C4D6E3A42D6B780DA5D4B49F80E61DB2BA352
arm64—Download3301879C352BA6AF146E70DD36C7352FE4E91CB3C79158B3FFBFC14BB7363580
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download42F908E4255063ECBAF129B501ADC54DB1CA8957AC756A306C75C703FE896CDA
x64—Download63B8A5A8421D57A641D2564C5961FAE123044EED27705646CE78F39C5460CF98
arm64—DownloadAEF71A260DA7EE869424E5AC9895E578B233C1A54201F64A77AEF49BA6CFD89C
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download60F4D3053BBCA3422AC889D8B0F5D1A0EE8295A58D3E44C07977FB3EA70D2FA3
x64—Download4821E7561B5ED7BFDDC03C312651262CD80E0AD428FC1A24362C9C16AB7A0B8B
arm64—DownloadA8B11E49E8B917320B7DD9F2848634CE9BE65DD6CF35C738DB167C36F03FF2F0
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download833CFEF2CEAC8EC141A1D87DC8B18B30009A75306FE15040D4F63AF79CD057B8
x64—Download0BBA4477E21E2FFA826442701811FC0DFCABBD0BB9452C59EBB6CFF1A620650C
arm64—DownloadD4D7684743E6B50D432ABECD41A0693712C0CB281D5189BA9CAFEE63A6CCD968
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadA5793628C13BD2ADAC0189DEC012DB5082564AA62803B74FFDB3EADE01FED8D0
x64—Download36F813F1BB81D1EC346611C4BA49247D8872B1704611A64CA74C6FF4DB8B4C52
arm64—Download77327AA1E4774D824094E0FC8C066FD1340E5C37E04F13E59F355B7F8E044BCB
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download8E680E0BC48CED46B026B9F6AD7DC273E59D32F18390AAC13A4E866121FD0064
x64—Download93CE26CC8FA8D3B8B9D395AB5372C78A3CE1D0B02FEC825AA0875E7F13922930
arm64—DownloadB5824F4C176ABF968261F5C74D13953B44C74A21AA2BA282B178EE6D06B71A31
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadEA640CAB75148C25B9EBA61C2006D661DE2612F59704CE12206137A4A33AE21D
x64—Download6A7790B760C576E4F3ADFE1D944CCF89A22C63A3602180FE8ABA34486256F703
arm64—DownloadF6D7FEF655701A54A1F757A56801A55BA2C8B8F76D8543C7B21DEFD23BD22791
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadECAE49E3DB982F491FDDD5BDCB3489EEAB3CA65B1D2C9F80FAFAE130229DDEDF
x64—Download9FDF5B777ECB59C1A53AB5BE9D6045C6C695E86745DB1C37F499BF033D421F9D
arm64—DownloadE3272FB7B1C0571D670141ECB8B9D08E221FD40B1FE740A027507DD2BA944DBA
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadF87B8E6DBA4F5CFA936C8422F437A134ADEF5FE247B8B6647DC4F9835B7118C7
x64—Download824DE04B356BC2C37B61713A796BEE39588634141DAC9C8061E22259B02EF236
arm64—DownloadD3A8BFB626B447740B9D82F2FF524CEF8F846762871BBBB7BDC8441894C49F3E
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download98E32FFAC29CE8895497CA2E61D892FEC92D70EF6394D5B3ACE2889B7F63C970
x64—DownloadA378BE626059C882A001482E12EEBEED735EE5D9AD791B1F841171C8AC1F0000
arm64—Download7C9FB360936C7F6D470E9C54EA77B8CB726E46C7D2B10E3A89C55C50C039A6A9
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download335E4AA9B8070CC1538E1344E8D60647AB06D73FCD46EACC8D36F65E14380211
x64—Download80D730B006EFC9ACEE74F5A2844CE097D04EDE626B1D5CDD6559145A20016B8F
arm64—Download8A765F6A868F44B920CED15267ADAEBC33458DAFD6B806020C336EDB4583A0F1
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download626D44CEACE550F89CD0F986B5B7B3C2AE554745DEFB6DB3451DCF0C8F44D73E
x64—Download4884AF26AD65FE437E0E801BC5CFEEC1E4CDBA4C9A22E163217563DF1AD431DF
arm64—Download51AA4151682FA98D0A00C76D0D2806F049FE569F380B25EA263BDE76BE8E9F4A
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadA8D99D56EC42F2BDC3B080DFFE86C03FB914CA4E00189E725424E5AF28C30E47
x64—Download1F2AB464966407353BF8E3831E9BBD82592CA28BDB590088A90E2480EE7EF0AE
arm64—Download10E85AB14129D76ADC8C26B6C58D76827221AD9C76919FF65AE39958C4F1D0FF
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download9052A09BE13D950D98E944126B7579F2AE8025A1BFBB2C341CB5998EEEC32F75
x64—Download406414AF3C2520A8322A3CB666A5E066668A0596A25FC73DA1DE14A06AE3D5F6
arm64—DownloadCB3E81E5617C31D51EABD9657314BC32CD6E4692BF5C25041A8BA82315C90AA2
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download5647DCE1EB92C5A210A7A73E35447FEC5795E625ABB3C66A63DAEECD5052AA78
x64—DownloadC6F152B31BC651E494626A8E45CF20D4283675CDBBB779CD24210EED088830E4
arm64—Download52155B3C6D6D7B46878E407A610C4FAF37CE288D87E75D99FCC274F9DA0EEF07
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download4506257033B43C63C7A2ADD16749695ECFB997C9465EDAE1A78FF9A64197E04C
x64—Download806F2F4CD09BCA4ABE08E9124A428D64565362400634703AD71EB43FAA39DA31
arm64—Download38C67D846B7E61B7F4B56809FE59CAB4B2118C6345C1339CFD37BCB583A37139
128.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadB181AAB5CBFD95AAD850FD7405422365E6058E0029CCBCD5A5BABDA9F8BF5182
x64—Download8BBA8A96CBCEDDC90EB8C0C24A2629E13F4BFF8E68D338A07241A5042467D003
arm64—Download1776C492CEDAF3F02B0AE4ACC101AE9C9F5B608BDD50A3CD038F953FE823DCB5
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download9A9FEEB5411AF5A5300FF98BD566A1C924F37DAC71C5A057A58F5E63FEC4E313
x64—DownloadAF7BFA7716A530976C88103DA1DB6AA156D6A5BED33B2B5704DE0B81B2C41030
arm64—Download0937EBDB32942B9E112E62F4464743E762EC5359FFB040149300ABD602FC8F2A
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadD4932B953D2681256AD45730432CFCC047DBE926B3A9678F32F80CC2041F65B3
x64—DownloadA052DA9BDFF829738F085E7844FE63601475F7172BB3E3393888F55292164BF5
arm64—Download2256BD7924C937BB9E427818CB4185B8F94FF0A105F52A6DFCA055F8C0D8639C
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download9E4DC0D285648F226D8851CBA1D40780E235BB6E419562B83F2DB3C043737366
x64—Download2F9DDE25A562F714B563D50DBA2A44D2D02F753133FD65C2F0B9322C7C7F8F43
arm64—Download3D90B9A56657FD1F53BEB92BEAE598687DDE86EB78727C78E532042165A884FA
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadE4D23DD0E6232F7FBA8DC3159F8620C4D6E1EA3A40D7160D6997425028063434
x64—Download23C7F79B09F4BDC6F438DE332AEEA38C7CD877973CF829ABCD6708E8354763DA
arm64—Download45C825AE87F0ADB5538636272889C13298CB42A046B18F351DF380249FC8D16A
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadA7949D8F56F90E16CE20ADC0ADCA993AC10AA4918371A6B4B080827ECAEFC091
x64—Download46BF4A480F3A2F6A95297ACD9DE4FF10876C145A1DDF8BD919282BCA48407492
arm64—Download2095D4607AB3E1AFB46C2BCB17AA67266B831AB370A3A82A2ACC58C96665273D
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download369FC27642FC8F28F9A08459F4BB66DB5C74172D27846E4BA9D5D7194C22336C
x64—DownloadC4C9E4E3A11275914B93719E6C80F72DF27B15587FE6B1F8CCD36285D93E0A02
arm64—Download4E28F35E8640BB289D3B72883862867E5F44E9560AFAC62233884B76F6AE2D2A
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download146643EC2319301430875B44351839F7180F58B610D2D34C6667DA9797657A28
x64—Download019C0BF0C665AF44A385C0D378DBF0431644D027DA7876DE46CC4C2061110DE3
arm64—DownloadC1205C61AA76C8775F49CC5CA0BE695D047E8178036F5E690E2316C44D0A9E9F
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download6C709B3B3E2D67DB22DABBF9FEC23E1C15603261DFDA5CFC1E23DAE64ED0E09A
x64—Download782EB0FD8E7B28940086AE86BA81D0854548896CB67E7F4C8C4F391B04F7A357
arm64—Download7D0BEB4DC6EA964751610A653C13664564573E0E3B938ABAD2E4255BB1246186
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download59D7B9BDA46CD2CDA92E356590A7752C719D75138CEFF3933F367AB51CD59E8E
x64—DownloadC68A3384C306192397B45603822D91576CAE04446A7073AD23E2F1CF27F97995
arm64—Download7BC68DF40CD6BFB85F95BD469ED7C9A01DF1640B4E3736FCE51F2EC1939013B7
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download4396CA880611BAEDE49809055320843E97B7A08FDA57A183AFAE83FFCF8535C7
x64—Download204D8288BB2BBFC0A3C382D16A67BDE59CFAE398C8433F83B61BBA4483BD7903
arm64—Download53FFBDD1644318040139397028E11AE9DB91444838B1F378F944FCD9A0E1479C
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download52ED3259BE93A6803BC2B9BBF0D8CCB6A37799A4D94F4C94AAE429B0E9B3DDBF
x64—DownloadB57481EF9447F639099520ACFE12D74157DAC1948BC13403C73C0BA502D2A3A2
arm64—Download9B721633B78C6B1FBF359572F958C87DE5F93D241AE23C3B32732E35873C2AE0
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadC3226A7950454A92387C7B8902B52A744736A72FDD821F92B12A206627FA90CB
x64—Download11A271B79B8F6AECFABC95C7BE2FEF1ADB169118F1B5158C82CC472180321000
arm64—Download6574B6AE5177E05D15A6870366195A40BCE1477CE4272B4135E4A90F4476470C
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download1E47B1C962682D0B9ACDAABF64509B973D80BFEEF2E800FE5420351A2258952A
x64—Download5AE9541D78E7975D493979A03AC18BC7B962A0DB372B3F7BBA6E4248B779C947
arm64—DownloadA42D96F8413CBD12EE047D8D5CE99AC527EF39CA739FAF2D8DD4C32DB200019E
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadED38491090D36F41DF945198EE342F1927C536A6072A9E4204CE4B10A077257F
x64—Download95A0F332774335B3C3D08CFA4C02EA9A3F60F89C6ECEC3B1E3E9742B9ACFF145
arm64—Download7959578350E32E27242BD0887E8E38E52F6261F2EC8325624DFFF5DE2D00CF80
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download6259155E0FB55A2D39E10EC86C95ABFD544615AAB70914042F2DB71C5FF2330D
x64—Download4EEEB00589A2DA60442AC9AF597C4E85E6985416F359E004E336B10722849B87
arm64—DownloadC74865D1322879D9B2FE1057C90B30EEDAD9412DFE7D3DA94337D22D4D46FC9F
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadD768C1E8C41FD0BB89C757E4864F2206E139FF32C3F902DA6E59BC2BE74BEC69
x64—Download7413491A2028990F2DA3FC524A3E06C3BF642765BF14133D950FFF2FB507C365
arm64—Download99AA70DAC37DE0B1D1732F410433AE905A1D8A8925729AE30E0F55CF980E3686
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download9CDBD1DC0C42ADCAB33E6D90C94986C0E0B17DE21B898E7C7B37DAD2FF424D86
x64—DownloadF38777AA2F9C2BDBA20EBB2D3931DB6AB7976A93BADAA23B8C808CAA1059B76F
arm64—DownloadF9D468515A361D07874FDF8754296AE325400630DCFFC345FF844CDCBEB69D8E
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download16CDA7F624069DACA96BFA1D808C39F8E54A99A92F584695038D05D56A8BBD83
x64—DownloadDDA260A47D5F4B99C48B8446BBEB792DDD53417529A52E6DDB8E2502B0C4B2CC
arm64—DownloadB05752E10D37CB948EBA75FB9FEA5622321669C811ACF08C9ADFEBE38957CC44
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download557AC06A4BBC8044EE40A368313D4DC6B42EF08C57F49173EABAD8BF2BE66E45
x64—Download473F19B797CC79F8B96D4E8A6B4DBDA39E120D246F0CB0A53B21AA7BE30C0B00
arm64—Download5D57F84DECE538D004CC274510914A4070D5A191AE7DA205E151634631B21648
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadF455FF8AFBA70B1A19F23E111013D3C17C9B1A64C780CC50F06FA62106B37233
x64—Download6505F46A611F2348C772FD5810133C9AEA7FCAC4ED66C335AFA673B06FC35A12
arm64—DownloadEE34E96FA0A2ED9B9DC451CFE540ABB5815E8257B41E6E7EF6FB50B344202B78
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download3FACE00566FDCA1669C9B6B2E65C96F0A9C2E988B33D11BAF8269A190E96F74D
x64—Download9F2EF2AF563661F8A9DF60203A2D9476D875E324B8A9637CA7280E21B79BA54D
arm64—Download6997C713028B882042F766A0A4500543D664F6076D99A2DD8C81255150F9F755
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadFF4F0B362FB46169215B45C4A78B97AB13402ADD33A2AEEEDEC3A7AF24197450
x64—Download2E46FF83AC92DF0E97FC929B58D275C5BBBB0BEF6A3746FFFA2ED60195AA05E4
arm64—DownloadD892924F83985651ACE74CA00874EFFDB1F0AB24A6E78FFCDA290EECA7997515
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadE94BBE951C65B8F054F2665A9DD078AE5EC5F89EB6F9EEA4F1E688796A7DB9BE
x64—DownloadE55D8B2166E3CB4E0B13613EE71122F1DA0A52F47AB6E55CC6FD95A40D57B4FB
arm64—Download4800E6FD84F2F29A4737DAFB42F9B0810AA484DA286F13DB295026558F20206D