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

Mozilla Firefox ESR (oc)

Mozilla·Mozilla.Firefox.ESR.oc

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

winget install --id Mozilla.Firefox.ESR.oc --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—Download08272C75695DFCEDEDD2FAA2000DBA023157CCA7E2A1EA9845058E7078322B03
x64—DownloadFEC26E923EFCF5CECD653D4DFD9BADC4F973706425ED27FBF25FE37164FD3B59
arm64—Download3D52F8FBF73EA5902789DCEA9839A2011E9B47E35C4E928D8D7D600AC5507DC3

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—DownloadE474E1022ED018978C8A96A3C7B1F1035BB5F5CA33B13AE04D254A3DCB533592
x64—Download7EF94C2DB961F6163B6A382C66E49A60A810BA8A81257EC6191EE9C52290E87A
arm64—DownloadDF03CC105C9CCD291AAE7B168622B8B86AFE91AD635BD7E4E39199F64CBE3165
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadFA5AF01DD08FA1F9C8C347F822B1F56CF180AFFCC9FB9E7C42F474C59FA914B5
x64—Download916AB600B34250F5FD21C2F37BC0A4F4FD832C21434C8318BE83CB4FE39ED2E7
arm64—DownloadD147AB95D0AC9B206D3DE80196E0183FA460FD065FA67DBAFD6D2DD459316BBE
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download2C865492B053B6F615E262437C9ADA6BC782250DBA111E51CF90DBAB0D581492
x64—Download7C33992811FAF173BD0E78AB4049D68354A2929A7B4BDBF6CDCEB4D73D492A27
arm64—Download6A17A0C627EE455F5001BA08F396177BA0F8AB876DBA15FC918E898BD302FA6B
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download0990E6BBA2D02F1F6A05B766C78F3266744A9B5D7F6DA0DDBD1AD1C06DB2B814
x64—DownloadC195191C1B56275248E19FDB2834B2170288414443699470734BB0C1E0F4E887
arm64—DownloadA64A55AA6E9B7DAC90491FE3E4C24E72CBBD0C5B0C7F45FD56F41E5B15C7A5F1
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download5E5218FD7CBB82E039802FDAEBE633F5C4A2239279C645B4836A44FB15C56FD3
x64—Download322A6DB5B928D364212A321A2A06B4CE15E6E980BC9CFF53F5954D2EBBD94C54
arm64—Download730DFFB6A4C7EDD351AA7AD3099E0BD65287C69CA9466BB52E2F92529F3611F7
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download32F07E379474437F30AA9AD67A5D4E494F4A5C1AE09CCBD50716AEB92151F6D6
x64—Download749F6874DC097B3EE28E580BA76952AFDE12451D89336E10D6685F97CE8BEE00
arm64—Download1B9470A10496EE1E6B1E146E30DD8939C352A262F2E288584E88576635D1D423
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download68AD0187C529A12D071814B9FFD913B8602142DC5D72CBDB2691D3E96E7119D4
x64—DownloadECF7E1256BCCE27F49D9E544B269898F40A967DED871CC7054D213F5565DB46C
arm64—Download5DEFE17E4241E86EDF54C584A8A1D2B778CB7585C21634976E55157CD88C3A61
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download0EB590E3AA32147EFBC5DB6F1138DB8EEB94C9C609593B6251FD774E47093490
x64—Download9985A175F90EAFCFCB4A3349A824B7FAD1916B8000F8EAEB841DCEC2BB3598DA
arm64—Download69CF540347DA044E3F7A59BAAD0D50DCC07BED06C2D1441B49F64645F7838B53
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download3B7964B1D9F70F51C6E0FC20257D6D792D1D1579C92A158D2908525A57493FB8
x64—Download3D476F9B6D6E517AD43E1542F69143532E8228E6006CA2A9D1CA658498D98246
arm64—Download55F66F062AE5749955C170CD5E1AC96B3D73403B93C0660396A763B041A50CA6
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download78B4888453FF0C40AAB1AD1E4EF0D89EF1E5A7F72FB02422277BE19361F3C046
x64—Download84A01431E681A5610220908D375A568D8C12B15821D9712F5157678BF35B35C3
arm64—Download575D42C15B4560A33289409201678F6FB8574928E697E566CB04CC5AE59B68B4
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadFF43D5B49CBD7E02B9618ADF2292609F7FAAB2B8B5875D6B38F539955D85C539
x64—Download62EAFD9468DE965992853C108F34961EE0102356D489DD8C806CE54BBD4129E5
arm64—Download7D3A499C83CBE626427E607B385C249D145B7F4240619CA77C8096CE099B6F90
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadAC4C796AC36F4646C3EF9B78C2233B3E0A7530663B837E63322CC630126C8A12
x64—DownloadD3F50353E1DFB54F80C2E6817C6798539A59ADA24D3C76D99750B69DB588F2DB
arm64—DownloadF540A1F6734A989BF6A00BA2BD5F0B1FDE0CE3AB226E414E40A0BBD41B0DA117
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download6CBE6AC7DF4BB9A68B1C335C95E04BC4AF5EE0857A5BD1E9DB795D8ABF16B0BE
x64—Download07D69B3C4346669FA70F8CA5C7619D7990DA428A9D85FFD905133727B7BD3253
arm64—DownloadCE6C832B9ED9CAF74629F35F210E1512168978C515C29ADE0AA4D0A75EC127F0
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download82FAB856C0FD2FBFAD40F81DCE897329ADE4C0F7CCBF7DE178541269ED8A83BC
x64—Download94EF68CA9F7545101A1C45535792017CACA33FCBA969F7CC02CB83961AF064E5
arm64—Download3D4D4CABEC36A44C0BF5F84D6C49BACC54D960E99E22A749C131C931EB87F179
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download0776EFED35C70121C81575E0F9D92521A7D61B3992C55618517AE3A4DAAD6921
x64—Download92895B9AD0012FFCCF8C718776BE98121ACB6858FED2E8955A367987003FCBBC
arm64—Download2ED2BD663E11F764EAF40A72B53CC2B99C3584349D8AC0181A9E98A4DDB8CA85
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download90AB90ACCCC833600E84607EFD20FB5523A5D0A81E972F4B2A31201A99627E85
x64—Download6A54F7E9BA50298E3B51CBE8CF87B9148035AAF50B0EE62771E05CC2115E8300
arm64—DownloadB0AB1A0B1DA8ED36C5BE83F0937CC28FC24A93D122C366E0094B68DCE35860EA
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadF47C41E660270DE13E5F5C48544375BC4165FB23CDF3D834A2A403B32871D409
x64—Download81C5DBD2529619FC053596BE230E9B7913C9BCC6B45E4A3BC35F7FD542E5435C
arm64—DownloadDC0C38E9E2F911F7F5FA217BF35B6B1EC1E9833377C160026CAE6114F7D738EC
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download696D5741C785AC40EE432E9EB1C500BF5D5CB981ACDA88C0FCD90DFD89482D93
x64—Download241A3DAB0CAA31F2BBDC304585AA4E02273C65AFEF051363D51D9DB3960F6C6C
arm64—DownloadA4166592B8C5A51EA6248C770CE581415E8D6816CCAB2A938869A1502EB115FF
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadD4107A2C37779EA2E1CF1537D4A430B5D882F4ECDBDC1B15BA7AEBBF7AD4DB62
x64—Download84406FC19D0E4EA4DE679C3B2784564E015949DAE8EF77B708B8F8ED24B45394
arm64—DownloadEA5D2B84C66F288F7837602623BB48366DA922377D01292D0928CC3F0B0D4075
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download8DDA729E49D1E92086155CE7E006A6F7D6AC0F9BEC1FEE212E2D73AB80CC16F4
x64—Download9642DD6B374DB1CE3947C20ED0AF353C766009F984DD1B1B1F03C4A71438647F
arm64—Download631C6FA4DCE4524FD77958D536A1057C18BEBBC5DF92E8EF32D8A082F40F9BA0
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadCE4DAC1DD2DA7389B0DE57FA39A3DE504BF0E961877FC5F6FE938FCAC04DB3A3
x64—Download50B91E07CF542C0D8A17D17A0F21CE44A9A3180B6978A946FF667871D6AEC1BB
arm64—DownloadCAD4D2230DB0F32BB60F9F6BD772136FBD4F4005F997FF7A9A68034352E0A6EE
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadB99887C8AF9EC52E6E300D7BFBC80F45E45895CD11F67E6312C13014C1812C46
x64—DownloadB78EEA9003FF64037DC21076D88BF0E93BF102A4CB5D1D47E80D9E68A6830AEC
arm64—Download421A50E1ABFFE7C3B36E180B4A9FB6A54AE5616F1952AE28A7DA9F1B2398CB4C
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download647D3B14377E2B57A06129B4C65D247EF88ACDC1C938E2D6BF407EB096281401
x64—Download0E56C116687BDD19FE660DD515AA53EF59E1D15BB93C3DC0F8B83C5D4AF487FF
arm64—DownloadC1B8FADA8D3C69AA5CC1210DD4C77F939DFBB595AA907382D593AB5819BB58CE
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadE5DF44946A5E25851D85BEE29BAD3BA0DFDEFD56AFF5FB8C3944FD06FD07DCFF
x64—DownloadAABE3935283E6383F5610034DD247273A25185AF57345AF2AF3CBFB112CA9BF0
arm64—DownloadA17DEADC947B27FADA1640970D22217DCFA374ABE6753539A05E8BBA2262BED1
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download049A11F74B25F22DB8367811F11AED1E57A0D1DB31DED2A70FA08764FE2E25A1
x64—DownloadF716FACE5CBC17AD31338F24E386AAA88756A38EB32354ED6790AF87C8004F2F
arm64—Download520D8AC130355257C1AB9EC342929C56551F57281A9F513972006B3CD1012369
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download8C6FEFC738A73584642F208332112E6C6425ECC59CD0FC6E0794BB1B2A58E9E3
x64—Download1AF5823519A4E4C6DD4B9ECD49E5064EC5037CD6807A5A242D91FF4A256008C9
arm64—DownloadD47E849BCE781F7741B56098EA22B075AF3F4AEDFF5433A178DDBB5CF476BEF6
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download515C9CCB5795CCAAFEBE55D1F6C95CE36F5413B0E78B1EAB1951C6386AD7BF7E
x64—DownloadB82042C17C9B93C49B3FB180B5913163BA67D35D6936484DEEF8EEA2F3824219
arm64—Download611FA115476DA05B8BA621819FB981C6F7CFDD602C16486A1C22F53A0A0910BA
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadC4EA10C03BA5B5B72C43DB7D9A2A5AC625E183AA7032E90256BF4CE8466157D5
x64—Download8C8DB01A20313F2678785B5CD59E8A0B627980B308570F6A318C08752D923253
arm64—DownloadC2DBBFCFF813FBB20A3053E05C3A9C0EA726598330BB5694557AE54264660452
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadB1576EDDACEB96F186F57E12EF4CDDEB6DC8AC9B11B8250A3889EF641B24C87F
x64—DownloadF8BDB8986729E8012CD41972261F5DB9B01712F2C1CCE92DF7370C47EC70DB39
arm64—DownloadF3C23D1A4CF7116E9FF454FBA0BC22E332BF556B841FB12EA74F421CAB365278
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download47862F8F903FE99A8D347337F210D286DB11A1A053217A31B75BEEE59173FD6E
x64—DownloadB24EC96676BBFE03C3637CA7C024B8CF5E8913FC2940D96F828E63537FB912CD
arm64—DownloadCA08FB7DEA9014BF9F504E74EC8C3FF48517D40764C32FA90854C4E972508F17
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download0192C26305AAC8FA03D183866A2AB8C6CF4A5A2FBFDC245DE8553BE3869CD106
x64—DownloadFCBE3A62C8BDE0065A32656710F71D0087F47A3E141BD4F4BC3BE46AED121281
arm64—DownloadE8EB6399928B588909AE16B7032481E6181AF4CBAC0C3A9B208706439150FDAA
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download85E9B4A5A3331835DC13572B13A9447B12C8B22A7310446F9FBAAA5C310ED541
x64—Download21E01F6E06FA6C2AFB98FEFA137F2519E8FA4AA3B701D87B187743A16EFD9719
arm64—Download14169AEAF1E37A648E3AB1D41F4FD2BDDF02F44ABC2BAA0476AA2806980399C4
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download38079373A04EF8FD8229644B74D6B25304E14C4445398E7167BDAE771254CB9B
x64—Download0B6EF3A324833E98C08F75C5D3C5E9FFBF4DE08AF649E2655E96E8CFEC19EBE8
arm64—Download70C5640F2F70E8CF80ECF5B9FB0FF9AC42D32C25A00C8165981AB0E215C0F1DD
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download3BD42FF503F0F5E7348B4234A81A9FDEA400592889D179DAE48B1F846627928F
x64—DownloadDECA6B9D57F721EAC3D043C47A2F9EFDBA397CFC98238A24F76D724631F08ED9
arm64—Download77E12271A51093C85301804E05DF0B04208B56EDC209F299C90DB3263817C2CB
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download84C3E9262F345CDCE530F4FA0184D2DB8E151DA7950B6924BF266439BAD16BA3
x64—Download30F4BB0A163CD11B8517389910A2260B4F600396CEE05FC39BCA3E1AD012613B
arm64—Download42D6C693B6BFC32531B030D74F00B55F9B5DA6A407D7BEDA2929FE03A83F699A
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download61F16CA39E7FFD2DF0F03732DD996D29845AAAEFE8DAF4980F25768C9028A883
x64—Download7BFDC12424F972FCFD217404349E1FAC04C4181E072101830B5AA305D9331A11
arm64—DownloadEBA335BF19C5282552A4688DFA0B8DC7909CF54963E6A7FB5002B35F1FAC06EC
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadD5F5BDE65EC657237746A2153267CB131976E6EE5A2B5B0CB53D4632D07E96DC
x64—Download8DB353526D06D7CC76EAAA1942380C1B48230C2DDFD8EAF92F951F39A73D3013
arm64—DownloadA70B51F297BA3EEE47B580382FCACDB6DA490E6DF9651174F436F6813A0307CA
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadEB1DC0A96BAA3186250043DBCB6F55EE396077580BB952DE1D236931017A8DDC
x64—Download51E1CD807E5F6A034E5E791C1AC376FF23C76D58A98EB485FA58FF87D37E8EB9
arm64—Download6797AAF78CF60E5291359224ECA33203F6E67F93544FE19AD88AF2E3DE3547E1
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download0B659C65697DBAAA146F43FCD0CA89BB606C14B3C3C40D2BC0930D0798FB16B5
x64—DownloadC800FFB9981B7CD15509F00AB6768D32AA5670DEA8AC2779FC9794D67CEA71F7
arm64—DownloadD57FC8F3CA4F301FD9083860DC423458F9938E1CD0806B8F7B0148B35049E776
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadB73CAC74D9988D24A857579429ABA03CEA7A0DB055C382CE377894E5660F115A
x64—Download87CD2ADD3A45EF2E1519D6EA206649CC5E41F8E50D0013B0CCE57FC5E3AC0430
arm64—DownloadB890B1585F5F4152D7EB37AF64CD80B8BEAC3B54E7587F519B81F5E415C1AD58
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download6A437A8E7844802A52AD3AF87EC375E566FB9FAEC51D5DD732095C5751FD1057
x64—Download5F1C70C739577954E3D5791DCE887C6A78B48302F06A72FCD37354F9E6F8A8D9
arm64—Download2DD35A31FFB6104A854D1B538B4DF02A40015B47F8B1BC7DFA03D8B6B821AAE9