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

Mozilla Firefox ESR (sl)

Mozilla·Mozilla.Firefox.ESR.sl

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

winget install --id Mozilla.Firefox.ESR.sl --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—Download526A24CE39FF8DB60CB8E7C482EF50DFE6E8CD3D95E339831E9024E24ED7143C
x64—Download3880E79B7468A5C1765AFAFAFA31A6F18A24BEE1A1CC40605311596FFE8033E7
arm64—Download7C4A2122291639597EC47187483FCBC9721550109F5569F4F0D5BADE265B855E

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 (40)

140.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadC5DE1D35BC7FB6DA64F2081821118D533AD2DD689E2258EE080572E80A0315AC
x64—DownloadB9467D52CCEFC601A7D1BB0B43799C8C186B35F61C785C88E62E6708A4771516
arm64—Download6904629CD696D7207151CA85644675802ACD07AF4158003A2D67A28402DF1EFA
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download350F8112E74DAFB8C0B468BAF83C3460193071125B77B963C1D5298E2100BE8D
x64—Download8BF3CA101DF1069E0A9986F87A0946B938CFF5C1903161F50D8F6DDEC32C3275
arm64—Download40615D4EC33FCD6BED0FBC70C40346343C4490F4EBC305EF2A0B862D3305BF9B
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download4AD38A0C0D2BDBA97957AC938F1862871F62DBCB5006B2A05DC3A8E16425AB51
x64—Download7F277CCA32A63DB6374FD4BEF09474E27629982DEAF4EAC74389F05CA06A6C3A
arm64—Download816232029BE1F3C920B8DB1270B70E6DF2F24C89DAC0593375336845496D2BA8
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadCA6BD234ECD746EAC8F4702B4DB85E52A3FBABA49CD7BE864D7F8907876D3030
x64—DownloadC06BBAF52960CF92752019A07655889034BE1A11A3756515A8644132FE098C51
arm64—Download13A1C2F417A63E018863258C14F9559A773E6864FAC82620589748CC3D8C0134
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadFF5EA982035A48272A89C7EFDE979B88E9F03AACE4B2C62B57C5AAFF1CB5E1C2
x64—Download0105C7A41790696F85307F0576A467F5FEBD2B9E2B6647806194E6CCEC0DDA4A
arm64—Download5A3A94F9AEB3107FC5EA2188E7556D39C8A1F629BA5BC906609F48CBBF782BFE
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download414A5B4E9CD6FED24F8F27F69C26575E280827D3E11B17AE757A8063428D340C
x64—Download829E3553B22CAA25E341DF3722EE96B558CF2115EC7590DB3E199ACA93E48534
arm64—DownloadD70A69C33CCD6D90823BFDCE5D9E738DF47A5B88BD5BE14571BE374B68748B34
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download5B9E64F58D9B9AB9481E61B27BEDB8FFCFB76ADAEFD5820326379577BA802DBB
x64—Download77D8814567CB35D7C78B765F48973B6E62D79178BF5C7313D258E95C73B1C29A
arm64—DownloadA986D1F6F4F2B63600414BA965466A76331B270A0EB372E3285B796CFEF21152
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadDF28471F658707B8DE8EB2EBC2825F449F13B8269088EF1F0D73FDBB9AD40269
x64—Download15CF7665B1B8EC73A10189826C2030513DE57F2570402F4EC4CA1A8862ACC495
arm64—Download2F6EB977392ECE8F0DCC46DACDBF1E16BC761480AC5E5FEA0F3FDD9977ABB50A
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download5F23E483DF2AA01953DFE331E05E75285D9F318FEABCEC3F3C0D7A0638326EFA
x64—Download5FE2424B8D1FA51F5B03AD91605AF9C3AF388FE6E442388C1BAAC002F2BACAA1
arm64—DownloadE85F41CFBD93C5100F5E842E24FF8D81B39FBEA13079B8CE37F7C640D65D7D5B
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadC929FAD15DE9981FD89E3104D71203D2CF694769C6C41F661A17188C408F016B
x64—DownloadAFCB637C0FBCCE89465CF28343E9A11F17F43F4779D5EE2C343325BB508AA968
arm64—DownloadC0A180999271B759809B128C7D8A7CE42408F5A5AF62B31ED471EBB6335F1480
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download9D3B46AAA90CB08C2D65E1A6B3E38AD61307FC9CF0B1918ACD40204E28CC7076
x64—DownloadEC2EC3AD020B51AE67E0CAD2B975BECAD6026EB41E267807AAADB408643DD374
arm64—Download5FE43C72ABBE22A424765BD5311584EAA707A753D5C5631F52E98BD1DAF203EE
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download8B58E1975D37637125C8497BBD02E874D3C9F1A0DCC9FC2ACC1B30C29AA100B8
x64—DownloadDD5E7C64E888896EB0A0883B5872275D0573005AB306BBCD93D8B92ED59F7B87
arm64—DownloadDD279B584391A64C85F85F091BE01802F8EE9AECF7357614853386DE308E65A9
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadB93E0273EDF8F5E8628E3E07F3B78ECB3F43730F01F8DDD6119F90415F60B641
x64—Download1225B68D28A56EAC21565EA8EEC63C465EA97E272AD55608F92FC5316E0E5DD5
arm64—Download8653D9BEAD4627D31045693FA7BC162CF49A4C06CE61A097D5E67ECCD4FA7A4F
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download48FA091308E97BF03FD9BDB618FDD5EB8530271FA2860DBAD3C27B0D7837BF15
x64—DownloadA23E1568405D7CAD7C77721CC161959B2A485BA1BE8AFDA88AE41B8CB0832A7A
arm64—Download6BD8290EE673823469E5AA06C9EF24D422A1142266C3F6883A6414ADA0624865
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download71B47043F8D096834F3AF11026F67F96DC16815B368BA324266110FBC29B1F5C
x64—Download845D02639A2F3C6D65D05111C7F7D2EC98E240947AD386F53447253269FCC291
arm64—DownloadA0383BC76E1C3F1EE583A18900E55531D923C81E913EFE4EDAE4A8093D0FEDDA
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download6D3882E5B659CD9F419777B15C5AE80F9781B85EB39EBC3B62509867D0259CC4
x64—DownloadE1C96A1CE0B1542F4CD76E7A450E02EB67F05C9866D58E722120FE9AF5F2A1A1
arm64—DownloadF2C683E9516465B31232C9724662CE823B669899B87079CC021F7746A70C5B4E
128.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadF7744C0101DE7967AF0EF49323E89CFD4E1C25BE283FEE6E17BBA7BECBF29EA3
x64—DownloadC1E62C8420069D5B64A0850965BBA955EB023A58E9CA861DE5868864D967F424
arm64—Download3258A63788E4B54C5182C47A943A2C4148158252B369FDBAE5B23D8C8B85BC9D
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download83F3ED644F498A44DC0BC0D2E8818E721D82A36FD2861FD8F9DB80618BE62822
x64—Download7796D8879D9C26F47ACF5D361DCC7F0D5413CD6E89BEDCC35DDF44E395EB9F00
arm64—Download2C0A197F1E7FF965CB9094AC0493EFB562F2686EDEF904C799DBC9E481581678
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadDB6E22A24DCD9587144276684081222C5742DEFC26EC7454B9F61B9F453DEE54
x64—Download75EC44222EC1363EA0887D7645712A9D4DCA152272CA72AF95387AEBAAA141B0
arm64—Download1C68C1F0BC0CA0E63CC8BE1E14A5FBE967ED84B4E334E9A4F87996B804A61312
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadA46CE686F59D1EE18E730B69E1939063A2DB097E97C0EEA762649B08AE8D373B
x64—DownloadF3625D43FDD56262665E846DD1E717C5DF66AFDC7E082D98B05BA8FA0994E5BE
arm64—Download1DAB879F5FA682213490457F33C8A72E502741380FA17D8FE90CD55B3778074C
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadCE90630CD604DA2762C9A3C1D3557D923981AD3A2AF768168E32317512B080E5
x64—DownloadBB9C66E0B3A3A8AAA36C80F2FD3DA441449E5F758098AC64B5908064BB8CE0B3
arm64—Download0B6F9A1270BB5085F30EABBB6B0B80DEEDD6B4BAB0285DD7B94A733B1B8C5E71
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download00A62748A4CFF0C0881242B8A879B73095814D9FB901C922C11AF05676B1473B
x64—DownloadB2864FD3F1339D5D8A280B689C95C0F91AD90C7FA903C0D97A2754F50C3EDCEF
arm64—DownloadD47EC5FCA1E12E1B58F15CCA9EC952081531F14A1556407EA75696AB96615F95
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download04D6AAA42FEC9209963493F8AD5931EF0DEB8D31426E0ED3F7B5341B513A20EB
x64—Download34D13A7C1B37E739322F2509D04FC76CC7312CDC70F9CE66B6B12AF2FF4A047F
arm64—DownloadCE89890DBF71D19A51FBD8A52597D26C047C4F0E2CE09C740193870400B20021
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadD19C0A6CC1F4BC0ED312E6722A8555115216DFB45D9B0A2FDCC4CDC77647EE04
x64—DownloadED5A0DD76C3F579F40B2932CD732FACB5D26ADDCAD0FB4452A902CF09AC85292
arm64—Download24D2E8CB2CD8783158FB573A96A18A93B08F5A577E4A71AF360D20320BE313D0
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadE4010528EB29EC039EFC44DAEC72F1A1514BE2E1C06C607B71F287C9B461EE6C
x64—Download4740E5F9FA239B2662B4F17628A8EBAECC918AEA9B862FB8E32772C01263CE38
arm64—Download9C0DEEDE75B890B4D6AEC23B42F03EA4615CF493F6A12719AE4F652C2D0277CF
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download8BEF30EAA79A455A5E5C09A5347494C293916BF1905AF63BE85DA9671FF306B7
x64—Download668370C444520A35F466A81F68A3B9B5879BE37175E4218EF8446F443CF006D1
arm64—Download2604A0049CD73634D6FFF3D24A1C86E2C7988580A3519F861D2C4B8075F34873
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download6113250714989D2DADC9319505DC3D41FB8DB0CDFD76487F8CE4BED71C27C113
x64—Download896EC782168A9E479A48DB6C888B0596C64A41DC600527BEC19B359C2DC6FC2D
arm64—DownloadD12363D6EC8BD849CB87BCD9502BF21E356CED1C38FDF1A18B469D51E880D028
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download56CBBD37BBF201590EA22C60BA270B66B79FD041FCF11E0ADE5882141F9C9867
x64—DownloadB8FDA1D598EA4A465D674DAA4F36FEFC78B9D3F5D0890F4638D1A50D5D7CA52C
arm64—Download91BAACB1F0A751EE4E2980C2CB38B960E2449C448143B99F8EBBE4BBB5A30008
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download98A4C6E1053E670241B417CFF515818FB8F016D4DF2AC2D32E67F3E0EBA09148
x64—Download9CAA262B587B583FDA1F2AA115C92E7E9D0E59242C283E1CA0B9F4916E100F5A
arm64—Download475FC73A1FB7D0E75AB70ACB0CBAB4B50333E19FDAF97E7467480639D3D6F015
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download55E41DE0D5076B29087606E2DEC8E33288F313469559ABBE3E93BA5928757826
x64—Download11626EA5B6827CB0EADB09A9F52FC6A42C0BB874F22EA5372F8FB4215946B9E7
arm64—Download1DC3CA98B3953BA7D1912B8B077E5BF36CB77EB7C3573BAB6969C9E52C1F9847
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download7EE6B18E0A9F1A5B48C068BE7E75F2CADD62B8C1AD76EBD1503080491E8F604C
x64—DownloadD0B138D0C637C26C61870E1899C31BABFD54391CFE86C2AE20E5A79AF0171984
arm64—DownloadD77145FAEB2BAC535D4FCDB829101BB76A6EE3AB1656DBBE27D8289995A13D1E
115.14.0
ArchitectureScopeDownloadSHA256
x86—Download8478B69159855FC79D892A017282AB7E663EEB18A18BB744EC7FB5FA1291F1A2
x64—Download0DB87A4EEA0DE612F0349F4BF23C5B3517096CA2ED85DC6E4D63788B705E2CF5
arm64—Download4B5B2D2B8F498AC029A3B9B690FE56CE318DBB92EDFE8FC7AFAA0FE2F4CCC934
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download720AEEB59BB111DD0D24F65393ED837632EEF2A7FE9F3D4949D221A36CF9653F
x64—DownloadFAA47115FFE9CCA7CCE850F42BF2970C006117C0921F2D57234436677A503692
arm64—DownloadF146343204DFA07B9FCA3499099763AF2C7E1E72C964CC64D357E89FAF8E8849
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download2F20C173CE5D2931A8920CB8CBE29ADFC2A9B6F15FB30107645CE89D6A33C3D0
x64—DownloadF057E0E99EB0C6E4E8465623825FE6DA8E5A380B571FEDB2DB00CF8EB0CF0FDC
arm64—DownloadDD800F3F31E00FFF6F8467242440AC4E1A2273B4E80284C0E4AFAE7A0F34E5D6
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download52C83B2162E98F1A036AA4BDC9339688BC46D685B7177F946C202486143DFBBF
x64—DownloadEBB7630A3929F92AFE30ED9DF7C9994425F31C502162A997D23B27244E0E8580
arm64—DownloadB2EA6C2B3B5FADA88C41539E20BF72A0B9F2CA2CF599E943BDBAED60EB3B2AF6
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download6E0C778FF1BD2B6CD9B2800FE28013F85AFE5D75D6E87CD0382C9BFFCCB48A5C
x64—DownloadAC65137BE544B916D5498E7C16DE9348B9470F34562650D550C881A905296982
arm64—Download4660D47385F3B97DFD4A2EEE9BBDF453758FF08C2BA1453087BFD3238B377FCA
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download91076E02E35D56B58C1C673DC2360167FE937FB921CF5513A063511F90531AF2
x64—Download93C31795E9F5A47D3F0EEA0F01A75C0B2883F863CB6DC60E5FA2A843A4DC3157
arm64—DownloadB913E943396617A47AE80A07015CBC22DFFE3BA01A5A17FEE257EB2FCB622FE9
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadF9E4D2AC7D7C97C99818E117F3CD1B511C59CB6B8BA998F18195B3C3C5988EE2
x64—DownloadC0FE4A3CB6312F52DFEF03C6ADA75B5B97D49AD5E0F385DABFFC5CF5DC85ABC3
arm64—Download653E432EE93EEFC3317D878C00173FB4A2C7967D69EB3C0087A2E5593AF6BF3B
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download442562161F3AC18C77CDDAD9E00A9FC6BE070C2BD882D304F8A67F7FD4D7BCB4
x64—Download594F44EA49216C82F36D70788ABE61238CAC67024D6595267009323CFA2E265C
arm64—DownloadA3194890779C8DF816777F366D17627BF05C13D4A45CF20C773C8B65089A0CBA
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download4357891A9BE657C87D18EA7292EE8ED35E26DEC2C8FA52FEB2FF8FEB33A4AFE4
x64—DownloadC10E4D94E7B42387447A97B58A3C0E6B6BC15E5AB3F9DA00E0EB160D4FCF7C09
arm64—Download26A896A4C1E16FFFAF064754A16CE836CA1DD3E11516C596A9E7EE2BABD2BE53