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

Mozilla Firefox ESR (my)

Mozilla·Mozilla.Firefox.ESR.my

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

winget install --id Mozilla.Firefox.ESR.my --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—Download80B6C428D549F33C0F1CB96DB3DFA78A70C8565F687EF5163EACCF59FF257F7A
x64—Download77CDD4E737E02BFBE72528C226CBF63162D295D7B75FB64B1AD76D627A2C22DB
arm64—Download35FDB6872C3A9BCA9A6E44FEFF0AB3B4110B893A6DE985A3A8474037C872F98C

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—Download1F45D4072B801B2BCAB3528F3011B8CCD8CF3A7BE10E7AADA8425AB5C9DAE431
x64—Download5375460B239CBECBF37B668CFD8CFEF62304FDD348CF1F4B95E83C14BD5E1444
arm64—Download860BC62B7E8DB9986846AE2C7030A559374BDF749705C6ACA68D178F6D825039
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadA70936FE3035FCCD25F470FFC5252BBBBE5C66199FA938837AA32B756AC75B1A
x64—Download5F2C533AE6CB7BCD622C72CB2BDDF8D710E41B85AABDFD47D2C211BBE31561FD
arm64—Download9FEBC26B480E9168E5D84254C165430EC14832DF8B9B14C0EE3A55F421144D2F
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download818523E1659EB1821B985D77220632506DA2C60AC05D3DFA64621A357812F755
x64—DownloadC5E0717FEC2A5CF4E8DF2FF11B2DD0F446B802F22AEB95D4BB5B333A837241C8
arm64—Download81370E08DB0A043A51FA8E38480097019599BDFB6365A6C5096D02B0AA50BEEF
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download1E965F79C96DAD507CAA8A1510A89864D0CF7FAA245D62413E099AC92DB2593F
x64—DownloadA10C48F3FDF8BD6707CB7E60230FB3FEB21A6261020E54B381E2AD1A208C376C
arm64—Download9957E3BC6C995EC522250883FE471462C1086397777742F08A8E9F69D37D2F22
140.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadA7F86466F6F279351E4DC670522F69EFF9A4AB7475B28EAEF9301D12F3A33A80
x64—Download3991154C18D80ACD9F000704EA1D9597EB1F55DC6EAC84B39626BC4D393E0046
arm64—DownloadE53B70C09C24D3772E0B847E01D9C90ABE7B8F74E852A65A0BF090D87A47883E
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download7D4B0D75172FCE8C1078F0EA3482229152759E39836CBFC6E46D1FACC68B3DDE
x64—Download8FF25F52BF7CF7373F7E8209CD59D29120F5AF0D41C12BA3DC61119BCCC0A347
arm64—DownloadDE947FCF70F07245EEAECBAC3A900042DE5209A901C44E55D328601BFE7CBEA3
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download81386C5CBA8FA3B09CEBAE74A1B4E6C99E097236185BDC9D61C70B3700D337CD
x64—Download00D95DA119527F2BC02EE7861EFCEA49F097E060CF87FE28C40710011970F411
arm64—Download5559D4408E7D4BC03B31BFE1C81898A08E06C7C66B3EC9EDE9F2A5137A2C69FE
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download83A18377FA670439EBBB5D6B9FA14260BA31ADC963079412FED1CF677E06E89A
x64—DownloadD612E195F89AB3DF81D987344B7E18DE4D933314AAAAD748E9D346E47222CE1D
arm64—Download235DDBAF956D592C4199059205502CBC42412448977DBB4A072C155713E745FC
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download2EB04186A30B356333BB060C5ADD845480C462F2A013010CD0E3134911752D72
x64—Download6A363A8527FF3CF1ECD407123A234EDAD33D81F6D7094ED5E6F4C30FD0945BE6
arm64—DownloadE02ED16180377F81B19991B6C556A39851A35181DB8655474050E64CDD7C246C
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download4231A41B88D8F14FE65A93573B7CA4DDF12CDB0BA795CFB1A658F92C2C00CA17
x64—DownloadA54A4BA857CD437146A2B31D8BEBDB0AD5541E96934DB681432F7A0F0968693B
arm64—Download33D417DD96487CE86B41471780C09EE2F1599E8761E6CB515DE00191CDFBE010
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadCE7237887A8EA4566B7F39EF016CA9BDF23D1F9D9F99E4B7833FAE19232837DD
x64—DownloadBB759D693D5E84166F3A52556B74B53D1695BE1DB91A1452C97EDC4A17B12EE2
arm64—Download76E0C22B32830B42F444CD2E8C7E7246F3CC67E8B7722C23A0C8B0BF6F23D5C4
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE27B6035F2CA855ADAEEC9A607CC217523A2D4D0A02414BD9FBB21C76D5A7CF6
x64—DownloadCED6BCCA968F512C93884DD28D899021F1574F31496882468BB5F982FA54EF6B
arm64—Download18218E73C4FC007427B5BB7AE141EC91EFC67A5E5AFD3B1A01FF08F2E223AF6B
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadFD380B5CE22A0BC2FC446E80865CAF7847099D9137F24E06CD335EC46AAB7548
x64—Download22A642D11A5A84DAF0661BCBF64A714CCC707B624F89D3095B26F2234DFF82C8
arm64—Download01EF8D6D95106FA96F3A699146555690A82FA554B62DA7E4A46C1C946B95FE57
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download19E55E3C70560529983C0705E13D551B4B329576A3EF18B3D33E0BE3EEBDC2BA
x64—Download34FFDA66CD2D0A99450E6E731536A4546418E0848BCAF51E5F60DA276D7FAD2D
arm64—DownloadC7841D8ABEE6DDD28975C9812DC513F006F2E8A3F2298479A3665F8FCE73594B
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download2EFD4846E2D74C6B6E59F2CC20B43222330B74F133B5CA350251B2326E0022CD
x64—Download424D0C42DE4D256AC413C4F00DB0BE35D296E23944B6F3AB342126D1EDEFB8F9
arm64—Download4882269F15F8B205B64FDB023585C080FDDB67F5A41A81A64FF0D62DAF9039BD
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadB193AA392ED83AC87F17E8BFDFE21D96190790EDCAB54F98327C9E06F759D96B
x64—DownloadC678B55CB2BA42C3C41BFB9E3B4321F28D47C32D603DAA28C170B7B6E5D83E1F
arm64—Download4B43DB378EB12F3A8A4529AE779265E1CC9F37E8468365135C6516332E89A1ED
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadC4A640F58F1954DB28C9EA6E40A8543F6B676E6F82B5CEF9537AD68E9F4FD15B
x64—Download7420E4F7868F10D7B28CC17989C22977136E2276AA4C320C661DAB9584747E8E
arm64—Download13FDDC0D5BE0911AA33BE4EFA6781108E59DD0F141F655FD6CFA2E5DC65DDF50
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download2966240B503AEF3F3BE1FFF7EFF20E36A2048CBEEAFB5A4AA1C68A460A1D8B3B
x64—Download69825899036CCAA78C97198E2ED30D064FBD50F14841DB080D0ECE5DA3F786DC
arm64—Download16D5607FA6BB07D4DEAC1C4B24B01C4037DE9D26FBE7C0BC1488DAC99085D4AE
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadB26B31A93CB76499562DB3C0B9F9148A7980DA7D40C8245CECBCE88280C5719B
x64—Download82C6CA6C6DC180FEE0F63F2F51E69237D12363EA100122B8466594C8E610FFA2
arm64—Download587E6E02CCAC7EF0B1364CBABAE4C44306757C49CF48C90B4A41B489875FD0F8
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download4C1AAA0E2B01B421D01BC2624CFFA09A84885A000F6D0D1FA098801349957AB9
x64—DownloadEB81706DE9304EF611B9D0857ED3A5BC91569BE185D9BE6AD3A4679243E68EBF
arm64—Download4CC54880D7FE9CD03DA38DDA22144CCD1DD90356A9986832553157FB1566490D
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadFD34FF800C1F51B601A5D378C2EF2A29BF51101382FB41DCF7581D2375744468
x64—Download60EE324E81BA76C814975045211A49C3C1A8F341CD1AAE0A42E481352DB0EDCB
arm64—DownloadF791477C2B7F7FE6B8BED70145FF10F1B8EBD9953450EE19FDB78AF27950ACD6
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadDD498675293013F248922948B3695C9A52452DBD198CD04A02D235C4006972B0
x64—Download20A233A15AAB8E7214DB7E5520569984753FD65DDEB48E1A786C8BCA430B9371
arm64—Download0A1DD5A949AF913C824C83506FFEFCC07A9990CA5FC6D9B95C488E686E663240
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download85F69CDBFFF0519B08A1040E84CEBA3F7ACD3688DCDCC0157ADD26829D797AE2
x64—DownloadA04F09B7557299A4640A750A70C58D722DFA2271F00ECDCEED0DFE7710BCC965
arm64—Download4E4A75038E41A6A87B79D1C6319DD43D5F124B3CCC20DA0B8866081E8C84866B
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadD19EFB0667C25346DE25FB74BDD8398BF75A4692D9682509C616FF9E354C5BB9
x64—DownloadF1C9206C065FAF08E68D1E7D3621BC27279DFB0EAA63C2E5E567C207FEC04AB7
arm64—Download8EBE62DEE2243C39674B4180282C0535129A1FEB56DC5C7616289A762C03EB38
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadE531F9636D28B815D9D72997465FAAFE68976EC9FA297F72E653269DBBA03920
x64—Download83C4259D60506340D597F6087F220B44F7E62C18D979A9F3DA15E57FC6632BC5
arm64—Download2A62355E68B0D76668DECD70ADCA78F4A2D2BE45341DD4DC1EA9B090921959D4
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadEAC066C47F887AE500616A23B7AB2BE284B48D03B2AE7BB4DE619449BC1D2630
x64—DownloadAEACD61ED50D2316DD3831B7EF14E4554467B38BF8DC1EB537EAD63A6E334E8C
arm64—Download9CBC49BE2EA57086EFFD58677203692B5460C354F73FEE3F41CCC533F56C1911
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download97F6FB2B1CA6AB63597B1F11CF10DEA0ABF4CE03B922205AB7443013027EBDA7
x64—Download374DD72E43C0CD9A8CD8DAC38B253B311599B64F871A4F256EB918CDD14365D2
arm64—Download16F9D871F582768E44D1E1E787258EF706E07C01D4F29B13F3757A9320A098D2
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download6C4C9E4A9ED09AB1960895D15AAC047DD75088C26BC96C97EC986EDD9B360891
x64—DownloadE913381B70358EB923778CBACCA67FDA24848097EA837C9DDE53AC5C3B90BF13
arm64—Download337E681597F603199CFD31F2E981DE108282C735F3AB6B9D4082138A6A3E5A69
128.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE1D012384BB1C2C4320BE06BC6BAC00170EB0BDC7D161A89163D5E45B582613D
x64—Download16017BA7A3EC18BE0C5F1375A61F527CA3AFB7CCFCAB669B5B11094E0686F309
arm64—Download56392EE3F70DC2D2C7F8979882ACE26EE76DE199855D459956AD074309153949
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download90A481DB4A1F69CF6DA99D31C45BF1D858099644986181ADC96DDB7CFC8A99A2
x64—Download977E768831F7229771A076BA36AC7AFDDE57AD341C3F19E593FFDBCBF9CECCF8
arm64—DownloadB8C82CCAA42A4848310A4766CA110A29CB7AECBA1BA4323CC8EB3714D430A9A1
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadFDA309BD7EACCC53C48EE4DF7E22671F14F7464AA088BC259D5FF6229762572D
x64—DownloadC007CBC79A9911C435D1814A3348749ED22B27305BB9C61CD57970854B3185C2
arm64—Download5C84C038F1AA6CAD11F0A489C7D41F0B708FF870D3238DDF9FF698247AC23B1E
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadAF58092B30D95CBF039AE6DBA875735CBD35A6647165910E35AE017A74524206
x64—DownloadFEE3A4CCBFC14DD9829DBAC66DC7A6E4A3AABEBD91802A902C0629DA9D31ED57
arm64—Download497B6360872C3384CD8BAB0CC1683B82E12B62B80737FD827864DF9CD19178EA
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download292215B60AEC61250B52A2F10F6A745F7BEFE25DC4C6F8F33ABAF3C364F3AB7F
x64—Download1BB8F02C7FD891B862349B2CE2C9195A7E1F680D4F8232C1AC5E31897B565AC8
arm64—Download33A79A54B88105162D248C7E492FDE51C766210D5EF427E3B9FF4B9BCE2D25AC
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download389D70B74EB3DD19E70D8BEE059955741A0F39AEE2B22D2384711D4AECAAE43B
x64—DownloadAB6C84D93F5C79330824848CDFFA868C260F92DC7D4FB9DD53BB9E47FD597B03
arm64—Download3BE5AC0238D2E4E29C2FBD270D1AC94E1E912A4F8697286C4A3DBF7CF8C319AE
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadA56AC34CFF87B0309794B8ADE7C5A50ED973E70B38DFA303E70FA849A109E9E2
x64—DownloadF56DED6F0E91657663233A0B29BE841CAC2B84987268DF4AD8966B9EB5D328DE
arm64—Download81172537E194E14D9D30EBE2217A705D03C2CBD0024C2DE0B696471102D01DCE
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download3F8672C376BCA4A26C5A1C7DC58329F03C095EA31C240A6A2FA465C7C7B8EDDD
x64—DownloadCD6E7CF98F7D43332D9A68A9918CCABFE58FB7C22AA38A9C7378790D54EF2CA9
arm64—DownloadC63161FFA10046C30CDE0525DD906515D7D33FD734FD09BB42B5B51924E1F0CD
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadA9F26A8CEA1DBE6CD5123001C27FE99DDC5B45C6CF4CD4DACDFE5EEAFEDD03B5
x64—Download00CE47BDFEE1446066A1054579CD4A967D18E739AC872E4CD6250014FCECBCAE
arm64—DownloadE675F7734440E28F068E400A77AC074DB8681ED6216153286B98385E0DE94C16
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download66B2A50BBE9A693724313438DB121BC2C0BC6D81CFB2467C1680E2A8A4F86B2C
x64—DownloadCA51EE808A75031B77386EE0DC0E32345E66D462396A37CFE77D70A8225AEE8A
arm64—DownloadF5D86D2C28AA6E966AA88FE9A813405CE8AD3AC61835DD8696662B0FC57D6C37
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download23611090E466B50E530027C0C70083FBE74332BDA895A4026934DC5C942B3535
x64—Download228E211123D6254465D99068B216D14F7D14BE7699CC3D1EBA14E165794A39C5
arm64—Download47094A6D1B0A7B968D01D3BC2651E2980514A892E0769987E27576E027144F81
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download16F28223F3E816223B02E946BE10F72CD0CE1F6711D043ACF55378B33299FD06
x64—Download2EB33CD19DA1BC2AEA9CE375AB94396EB632B8D70B9762A7601AD65377E27583
arm64—Download7268B87476780704D33BA5C29C4161ED24D4E87EA1BB892D6DF9768B9B17E7D2
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download0EB0335B414596E5BD2D13D4CAFB6C27E853693129BB0680DD02400C8FAE0B16
x64—DownloadD7EE243B1ABA8FB1CAE495D34D26092D3AB89D1590781187748A950DB93A378A
arm64—Download667FF94266EB2181DF66AC6D8DCB799D8B5A5DA0508DA03174FA6149BC4C303B