Tuesday, 14 July 2026 @ 12:01 UTC~4413,429150,766

Mozilla Firefox ESR (rm)

Mozilla·Mozilla.Firefox.ESR.rm

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

winget install --id Mozilla.Firefox.ESR.rm --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—DownloadAD134524E04BB9680F4C2F88CE592AEF5FC9080DBE5FC26CDABD342B41C51711
x64—Download8A22FC06467EE65C5D989CD239446C383DAC160DF707333B54C5E3A32AA1A56A
arm64—DownloadB50C06473E88B8DE75F6ADE4631A4A30675470DA0CDB8760726E180E03965AE7

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—DownloadBA10C4036C7AD2D2A2FFB54041FFF860D37F561814D0A6680BF288D7D8E32C7B
x64—Download632FA89C69BB8E9C84467C28C40EC754CB66437C2A24A4965EA6C5B494968007
arm64—Download9941EAD87F58AAD41F421E2792FF33CE07241364E95D55FE9A90417A17993F67
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download0DDCE42BFA1FA2776742D374EEBD8C007322144CCA23F743F317EBB0A9EE6FE7
x64—Download8337161A705BC4AE92008D5F952B995B49CE29AC60B14FB2E5A7BF416BA7D3DA
arm64—DownloadCA3697D507DC92F3E2C06E4B862868B07D89399BE879EEDA0726022E6486AA18
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download7DDFB78AFAB93661478D29C309CFB14D60D4748661CA0E6CAF5D22017D0A105A
x64—Download64DDF663BC9B950F1F6A152B00FE51710CCD2F3924F24FBC430F1AFE4D832557
arm64—DownloadF4123FF6BF1D85E89C980E1012C1EBEE9F9B4264F9B66E66AF8C54FCA982F51A
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download2DCAEF1C13DDFF5A4A8BBF0BCF5D718FE2846D6F280781BD69C9C498ECB38287
x64—DownloadD7BC69D3FFF980EF5CA0B52CB0E0CAC34CC5B0E0B911CE9FAF6904DB94A38CDC
arm64—Download44CAC7225D9C446EB515B405A347A6313ABA083A62AB73586D00709975740B88
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadCA21491F545A793D9CFB22ABE443B18D2BC242935664A0A4A785D3FC1F5259BC
x64—Download4FE65A43A66A5334DAF6D2D0DB6A44519CAC6D287FEF5CEA3C842723A24D72ED
arm64—Download8D895CF3ED2C1AAAF2A4C01F56249140D6EE44B4DA5B12F3C759EF1F2FBC64D5
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download4684CDD21D5E6C713B4D91579638B61E7964B3CF00BCE03EE7A4E777018F05BB
x64—DownloadC5FD6EC9DF4187ABBEE36024F1FD29CD78332800C5596C3560999D88284F76CA
arm64—DownloadFA568973AB87962484803B74B735BEBBD7A9F117CB1C8F126D06E06F151C5CDD
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadE54149FB0D3A16B734DF162A8FB6C9931004A08E2836C7A0C6988235BBEA4B2E
x64—Download9D512A7F7713DF40437BA1F30AD63A4321EC85859A3B5595A935DD4ABE4CDD3F
arm64—Download57603D014974B12BC805736761E16EA32A8AF7B8097DD6100AB88506A0D5E038
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download3C0BB4AE6214CD620951A8E8B0C88B842940EB2F2CAD4A4976F37EBDCBCAF717
x64—DownloadD8E21702C8E1B47868919700670B7AF378B486F1D84027E447D656F665622D18
arm64—Download5EEEAE7352AFA2A4E4B96BB9011B1D5E3E39525E96DFB9B3787ACC5F306CA68A
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download4C3CE0365AD790B6645330D0FC0C7CEBF8ACD9A120E01DB38B1F761CECB4A36F
x64—Download37618C90407F84F857C15518208B01D350B6E1A137F70A55AE79E06F75355470
arm64—DownloadFAFF2075B5EC5582542789BD1E5CC49943E1D04B50D27D66EB552CE96DC73F73
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download9C83F5CD05A69571F8CA56D4A8FFCF2316AB7EC31F3F209BF83035E227B32791
x64—DownloadA7A61D8A264FC246A4A758756B28D3C1CC6D566918B5F675076C6D63983D9169
arm64—Download3E4ABF73A45F3045B0A01813845A2266D4D4EC3E1800694A85B0E71BC07BC50C
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadDAF5CDDB18831792B223C07EF0DDCF9E0FA2A62C6B678739EE02E0922DD97DA2
x64—Download2F577AE6173B5E688CF3137E763E15EC22A24BD046BF035AB2B4161103290E28
arm64—Download557379AC276E3A4727EABC60B3EDC1DB07B58A09DAEF9BADCEC6AB18937D864A
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadB624E9D719F6C4F53BD73406277F688BDDC02B93F579B8CEBA3650CBA4574639
x64—Download28EE51A8F59490EDE2ECD9D059E9D3CED3410BC3DE52C1314AE15AC0C7564F0C
arm64—DownloadBEBAB8E8F332FD5D792A109F467A43D8018ECCE05933074FF5769609E67F6393
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadC2969F3D1EDBF8E35A8C288A3083F8334C5C1D340A2AE6D3064DA15F06C9438A
x64—Download29D26C9E828DF50263422A6A4F0066DBFEF40237A4D5FFF6708068CA743C447C
arm64—Download897BD3F44926C3761DECEF15B600E8095AE583542B17E50BE16CEDC3DEB928B7
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download83EF732B954E3082D07BD5044280CB832A5695CCE305B46054F32CBF4FFDDCD5
x64—Download1FFD996B6C7AB21CEF0CDF9574B1B7E7D47DC6986401DC0954FD5E550B7E6E4B
arm64—Download7CC28E23AD591823357B0ACC0DCB97641847F306C90A3F21F1FB961036711042
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download6EBF426ADF88FA20C805D63AA30B841488960C49107DBE09F1B3899CA094D7B4
x64—Download7D1E07FB056337281A5BB733BE894B146E04089B7A4286EBABD38585FD8A855B
arm64—DownloadC9A732113990566239EA054B77406C7C1046608A602D9E77F956106729028240
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download0508E6736252631C5E2481B89EF55AD742A92DF6C744FA5EE131AD6E84A8AB72
x64—Download22FFC20FC9668E1804094ACFADC71641DCD1B90C0B384D7913587CE368CBBC40
arm64—DownloadEFF3565EAF403DE825A6843043FAB36DF7D7A4C5A2D2C04C1F65BFDE59CF0471
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download7787B35F07A06FB67803FCCDF336922F0B4CD880D45075166BCF231FEB4DD9D3
x64—Download94AE74086CB4179EE302FE48D1672AAECD18129A4DC6F736217F6AA62460A018
arm64—Download24D3DC61A07B272745C87A15C299FAF8FEE08EC172FC05D9AEE742D8D584B500
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download239D822C554BD54791CA4E0564136F2CE43EC52657AFE83737BBDE80BEA7558F
x64—Download7F688315159B5B649A95720C427FC9CDF3E2EC134E713F02EA0D1D6CD5B65127
arm64—Download9F5BC7B79161B25EF3C6D6E8C6CACC2C91C46C4D69AB06FD1C65EC2ADDEBB7C3
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadA59D1F3688D70887D6556F74F5820F3E9B97DAB770C72DE093EEF2C89760AC44
x64—Download39252FC84D6911A91E69189FFE20ECA51D813E3DFDDE918A4C5E2BAF95725B0D
arm64—Download9B118070C3ECCB5342EBF009FFC8C51EF9762B81EF8F1ADF2D02C24AB11692EB
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadA94161CC2190612EC72947281EC976714EC55CF81D4FB6F8233AE42AA6E1F76F
x64—Download6384DE125EFB11393CA6730DE0B8508EAA61A8E5935CD1B9E2A1C5DF5B63DE2B
arm64—Download993602BF651313DF75331999D5ACE68FBD5F148090AA6C0E64B59772821EF101
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download71580AB56B7AF9B773620408A3148CFDFB674372C4DAC6E8FF9225D50086BA59
x64—DownloadEF7CE4B7A53348928C828ECB0510BE8F7DA6591A98ED1415CD22A138677E9A78
arm64—Download6F6288A552A0E25AF7DEDF4EE68BF638AE6B72502935BFF111C0BB9936674466
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadF176A7AECDC09453587BB81C7DED23998CA3EAD50CEFEEB5C2F6F3420EB156D0
x64—DownloadC6D2E9487538E4CAEB10A65EC090D3EA2D3D90B8BF5FC6CECDDFE16C76AC5183
arm64—DownloadD3C2616795D8EC6B6392ACDCF86AAAB62E018C218F629C7B246EDF30C33781E9
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadA09329C27CE5E81D33D2C4F89579B0C7A5924535ECCD4CCBD6B11DCB626E347F
x64—Download11619491CD7D2BCCAFA9D51ABA2BC144A427BA83B6495A3036A46975C67AF3EC
arm64—DownloadCC003C2B6AF5806E47012D385F302E163F3CD4A445879B1984DE891877252D27
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download753929EBDD0DDCE4FA6AFF47262B49160906EC3FC87BB2DFE3C8E1089F88C4B3
x64—DownloadBE4A11F9DC4329EEC3A4EC538F80FA875F7B2189844F02A09DC2C971167D7283
arm64—DownloadEDDC353584A0CAC330A2083342C4DB7ACEFB4B35DE25013162C5C86881262AA4
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download53101D32EE577C4D5D56EB7F7D7BC95FF0139F7F914789A0DB1408935DD4B5ED
x64—Download6973D002A58BECDF4DC7FC8BCB9623D82C6B7864EEC0953C6C9A5C4D2CC7DE4D
arm64—Download6328C8C289C56503B8BC18BDC38DEDE630E853F9F227DAA0031BB4FC3DD80018
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download8788EF1F1CD230CBB76B81BFBFBFC0EA5F7D8A2B33E57EE8CEB9C66FA7007830
x64—DownloadB2EABB95233D1050C2E667E3D70BC96E0229BC91F38762FA48D62E43A5BDCC2A
arm64—Download369E59FF4D530BCC748469D6AABA9C4BC7175590FF93F86EC5DCFD3FA0ECFBBC
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download6B38B6F821C12F21B50D59220F879A8CE05BB060C21BEF640B208CAC0A0ACFC1
x64—Download9A9925D37C6BE1C6D2918C33578F5732D9BE28D2B94F929A5B2E69DE40BDC659
arm64—Download5A70862622B1873E328703343AE67B1DE6BE202019B564EE019BCE9F9657C8C0
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download1B631565CB6B18A7FC8E07026E9D33B74AC3474FA5D005591E8EE1CEFAAF443D
x64—DownloadAE99EC61477709BA14CA69193B4911C299356B52ADC6FD1EA08DEFD5C65EBD5E
arm64—DownloadA4E9BCC2BCA8748C35E117AFB577D43E8235489826240E97247ABCD66819995F
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadF5BB1E61BF889EF6D294D669AE4EE6043346B9382F7E2544FED31CEB04C93FBC
x64—Download6FBAB1E7C1501661E0A9D1D2F3580D80F0BEC9BFCF2A3345F73E028C92D4F406
arm64—Download9087040AB02167C15581190705748929BF10F6D12869F1633B16197C1C4F4514
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadBA00A4B56AABD590BE0387B0F75883518BF6411848D98C767B0DE32BE6F82CB0
x64—Download3433C1A60BC4008A4E6C94474F0A3D5595B4C7C8FA1BC48ADA2FFB40E370CC37
arm64—DownloadE83D3C8BD874878716A58AFDC520445C44DBE0511FD1A2B49B8F7C8E56C7BB9C
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadB5A2EE6B807D3773347FC8DAB1A605C3168DD99E2944224749C7529BFE7D7931
x64—Download1CED59675D6EB401AD3D10864FBFC3581F49A5D2F8534F52B438470EC32ED76C
arm64—Download2EDF8D631D39B6A8CC4561A10866463D8845EE8AF41255483E948949D8207494
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadAE384D36CA51097FF083C88BB764FAAED7BF016A81681012509F445D1E488D3E
x64—Download5E8E7F1BECF49BEE12F4AB8EE6E6495EE80484E43D2E8FE5DCF8EF532D3FE14B
arm64—Download296C9121ABAE19B0DBDFCB99ECB463C3010641D8DF56CDD7297FD3C4CEB9F243
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadBE123B4654F6FCCD3341FF0D1523BB0F3A54E281572DEC79E20516A4FFF8D695
x64—Download9F1E26C477FE8A4FF8BB116AB458207F05368F411D0A9E4C85C9D7389B3C4E0A
arm64—DownloadBB1025AB67035141701F71C3DEF4EBFA7E0FF6C79859B4CDA44AAEC4A7280DC2
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download4309EDEF2E065F396B9AA27A13EB5A662732EC737C5542EC83E60510581CE228
x64—Download79705073ABB22DDD8ABF865BF5F4CB32A0F77EC80D3790A833104757977A9F34
arm64—Download37F73EA25421B4EF696A48865B64084C14E19C82A195D4FF48E5417FB6F989A9
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadFD9EADCF764BCC6146EAFF04F3E6A1D3A266A00E86C31435B1201ACB993FB3B7
x64—Download3F755CDECCB780BF5B5CDBDA92AF178CAD449A922985B80019E257BAB4850B3E
arm64—Download6EC7829FE642071E00E3EAE7388C69D1B7982C0488077559367037CCA44F3E06
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download595F53868A5955CDD9EE09383DC541C32284C14AAC364C25B6DBA7A5021A6041
x64—Download3C99526505A3CB50D2905FEB6D5F0425B6BC9BCA62F92ED9E16CB0EF4D841F40
arm64—Download3D341EB891ACDAF559F9D3699324728D60076A0941D8C788D5D0C27D19C5479C
115.9.1
ArchitectureScopeDownloadSHA256
x86—DownloadCF370BCF9EC6A3ECC46575942AE0F64D23B5DB3442B11D2671CD6C4457C4E162
x64—Download9FB18DAED22C4E77E86BEFCB59E09E6A2C91DB50C0B7B8A740A063404591DDFF
arm64—Download5E47D05A0971ADB74B1A22926066358A53F7F641A64C36002B553A0432B4FB1E
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download9A62D3F50B21CCAEFF79419F1E2DCE5601A27D9198054C5AFC1DEF661847DBC4
x64—Download79E2C4888A567C6ABDEE516DD44E03479D52FD2541B3ED05B5A54573001A6421
arm64—Download792D7337BDC10ADDC0BEC6107E710D702F5A9BD1086446B3B2541685E433CFED
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download452454AAD0C447AFFBF97788D808AF5795EC3E52B82453609841CD8768A75E5C
x64—Download243F6C6FC8B62138E90867D672316854BDCF56CBB0D851BDC97227118300BBB9
arm64—DownloadDCEC196604F56EC0A9F7BD03F1E8D7A4C3882CFB3350B8123006C9D512B97CAF
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download3820F3FAFADBF3990BB2E98C307ACEFC189C92D3EC877A2B8F47230E0FC0F6D0
x64—DownloadBB283DE6CFDA8A558130E4270E213DB8B7B98CA9AB64A69C4B94268A1049DDD9
arm64—Download9E331B3237B33A848397C342AF0241BD25C702677A37126052AA0B5ADD2B59E4