Tuesday, 14 July 2026 @ 16:01 UTC~5913,430150,826

Mozilla Firefox ESR (bg)

Mozilla·Mozilla.Firefox.ESR.bg

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

winget install --id Mozilla.Firefox.ESR.bg --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—DownloadB0572C10F64AA95FD31D94369C8CC12AE6711E28E6CA7D804E62EE1E13D85357
x64—Download8E5D2746EA54E13218EF2497F2E8B138AFFA2B88FDA2F1F75F7FB779405F3FB6
arm64—Download9BD33CB17B6CBA22C1D2177FF60D92DCE900C458C67143348121C798313170AD

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—Download5B65737E90026DE69929F3E60098D5B049C8B8B7D7FE1674D827D92A8D7FFB2F
x64—Download2D3355758462D4692D319DD348FA1D255F0FB18A52A14BCFDD37DC190FE2ED33
arm64—DownloadA1DBCBB867B736F8FE3D037930F212818308C5B7A3B9BF0311CD5B263ABD0865
140.10.2
ArchitectureScopeDownloadSHA256
x86—Download7080DCF2E68A5FADF8F180BC53DB36C0B6854A1EB42653B20C59069E35FE25EC
x64—DownloadE0B9C3C09743D75BD16F6CDA8CA8B1BF41C76663E2E3E355C4854EA428959545
arm64—DownloadB7D1CDDB60D6ADAB5506DD4413766D79470944D4D186EB6EC4F0BA94BE94AAE9
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download0B88F7A73BF0F88DB0830D40965F1E2F35D80FD956E39B461B07387844EF5067
x64—Download9DDC603B8D69E8E17B98D55AF8494CD46DA5197654BE67EC9D79148C4B2F4680
arm64—Download453E5529C36F4A9D5A576D7E8B91C09A3BB068A5D6DFDF2F20D22AA8D9634A9A
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download7F63ABABC9877A3526B72E7FD5F662F6381CAC10BC8CF491CCDB4E7E6453C27A
x64—DownloadD6E7A9C5EFD7E861D9EEB0D4126260CE492DD8FEDD0EF9CEC51842ED91F56F71
arm64—Download09F2CF5EB2EC51283BE781F6ED3CD6F2DBD141CC10D3A5FA291D2CC8143CBA86
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download326508D83E1DE884EAD11C4866295980AF9F6E03A0E01830FD8DE8E310E4BB76
x64—DownloadC5DA28A9C57A6EC6DAFE2C5DDBF439B019FF7F1D8DE8F8BBE6474888E70EDACA
arm64—Download0E6032FBD74AF3AD99BC8FF2743B53B59E87DF31D40A74291F6A0EF7E67E1634
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download12D5A61FC6C63311E57B14A257C4DC7877EB53ECD29625501EA15CEE7D526CB8
x64—DownloadA525ADBB73EB5A264032613C829B9CD502B85AA4274AB3F6DE3F5E9795AD0224
arm64—DownloadD94A4424ABA1F01423358E393A7FB6EB564C173B9DE5FBC114E3494DC5F4AEF4
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download2D8F9B815A5A07076FEDEF223090F32F30C907B27990E2B038DF320241892531
x64—DownloadDAD8AA3CB810EB0A5C8D9555B929A22DCD7B4005FB433C6A6B497F47174B3E25
arm64—Download23A9E4F5A21E07C618A9222B52DED7E6AEB11D8C5B342A759595F305C4264D1F
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadC80695B1F893F4651853031F6E4C554EE89E08A72FF7C8D60D02664FD4FB1600
x64—DownloadA85B26F9DF414D16ED70228DF20F3DC51074673967C287BA9423291AF191701C
arm64—DownloadDBAC1705287764CF14D7BD4AD556022C226829BE9AEB19DFD6B978DB61179FA9
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadA7FE451A92D1A39A5B3B81A2E1A2A8C84D47AECEA930B6EDC4571888BAD88F01
x64—DownloadD021E91C18DD29082E05CE44B5B714A1A89824ED52DD9200814CC9728AAC5F8B
arm64—Download77E830EEC2A63944D8D360A4DD8964B1CC8744AF4FD12FE14FDCABCA6089AA3C
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download609D71730C23EC3DD3BF2F36624DDCE1E988E3E340FC1226C75BD4C1CEA1C11A
x64—DownloadCD084D3BBB91B811B73CC108AC3E38F653B03CA3F9E77065641FAE3BE18F7670
arm64—Download97984821E459BD5E85DF9BA8996EFF154DDF6673D979F1C9B961ACC3BE210908
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download1F02BBBCB98A0B141A7DE9B5A80418B9317AF0F6521FFAAE7899812B8A531153
x64—DownloadAA812165BA5E9D97FFCF8519CBDFDE831B30C76EDAB30ADEBE4CA98E42515056
arm64—Download2A1032B68647DF21A13F8BD653523724066B4B6C593A522450F4651B89BBDC06
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadBE227A6E0C431EC9D5DCDFA318C216DAA0B339C773965A1B9A86A04EE9E97E54
x64—Download5C6F4BDA77CEEB807093F69AD6F1D8AA975F4457315F30D9C361455BBF698C20
arm64—Download9DB59F98EADF07C7F98CD9A958E8EF9BF460D88F7721D7008148A1D5E29C7B2C
140.3.1
ArchitectureScopeDownloadSHA256
x86—Download0D6EE7E177845254FF796E2EB0D8298EE00C88082BDF10769F4157F1ECFDA573
x64—DownloadBF3508068E5AD5A04A0414369C49E1AF76BC7BEF4BF23D935F13DB5D5ABE1B2E
arm64—Download479E692DD46B107C28B477A708497B30E5D282FEBD2085037F9B27EE781FA268
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadAB488C878AB4FBC425B46F8C5820B0434B86F8D8DDD2E6E157B64315BE003451
x64—Download1A490D4B85F8B893E4FC6183607BEA2C18D4A19D98BF9C81F2C1C770909DAF6B
arm64—Download49AD36A8D52C42DBF997AB2193859103696AF56179306AC8E61502CEB1A54034
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download26D6FCDF67779C973795C73BCD10ED3BE10875C6AE253D3332CA2E886421DAB9
x64—Download9B6521E6AE21993BA80B34317231F37CAC6E4AF1A0629DEB0B5EF7BBC58E9D68
arm64—DownloadE72C43D7544813910FC2E57C6EA5C8A5D26334BFB99CD2C3920F5FD9BC2B64FD
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download872B3A1AEF942C29178F2BEE31E8C2C4A5F3EB998D29FC3AA4946EA126F3E0F6
x64—Download6E2A5DD1DFFBA415D94F38FD302E38D3279CB2C46AE1BF6651E65FB93AE90094
arm64—Download9EE2D3545207E3914BAD3C8B18C4F2D6A72DE76C4AD34E63D2BF3828ED27D3EB
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadE104313CE519346D9920F885DEA5B237D01B92F2FA014D8C57287F88C32FBE8E
x64—Download86C0D8F8CD1A8B1CAF66D85636409F0FE7F0BB0ABCA0FE37637CD90A9592C480
arm64—Download3F047E0F48936997C4925C0C2D1E0C93E04822AA1D1BA6AD30CD05D6D4C85F2F
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download93FCAA20B6C9F19713A9E9D9E7AD3EF35EC7E6649D76E0785695D60A8EBC4AAE
x64—Download6176D20AFA0CE04B7546FDB189E512F9C4EB5F2B4AC3600585AD82F6B38EFD0E
arm64—DownloadF49FC988CBCAD646F46D93A8AB769F65C4C9C07BE48458BCF5DBD9EA6E0FF0B3
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadA25C82AB068C1E160A1BFDE5E1959E8194937B97B797A59791ED959C14CBD135
x64—Download658003257EA5865C39EF6CAA5BAB8BFACF6172A572921B22A8F57711FD7BD783
arm64—Download97241660E3EADCA19AF085F307293C9302118EFF93569949B1B7E1CEC6875217
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download54230D02B4408295D05CD1DCEC7AEA7D47672BAE54FCC228007664D18FB4D2CE
x64—Download644562FE1FB201808B3F7D15C16C51B203279BC2436636839BFC0AFE555A7E50
arm64—Download94B19B4E4F260EF23F8BB179C423BF95B92B1FCDB383CEA0C82EC8DDFF976E91
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download9A00F1800BEAF106ED01B53F163233D8957181CB10D409C870B84120F795679F
x64—Download6025574A37A503E26F8D8A189612B6F35D78104E7EF699FD6785819D79531F5D
arm64—DownloadAB3C97333FBA75D61C3E512F70829C05EC8835127E7BA788954DDD2B5B638F82
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadA3594FC9B4BCC56B5DA4E2CC3E60C8654F55640F6E794A2485013589809D88C8
x64—DownloadDD89D56C181B2F872069379353FFFAD3A5067E0C0141655F599C48DB6FC60434
arm64—Download654342D23568E898173140EB41D8681087B113B01C1B6F965106205776C4AA79
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download0490F474805E0463C95609AC33CF8320AF5E62D1B79125848C3521636FDB4D59
x64—Download2F53B5DA54951E9819AC2FF85E0679D8C060DB7F8639D758E230C251C36BA4D6
arm64—DownloadE42FB5770FD5B26842BF2BBFCAA3D105C9B4F8D1B9D304203448FF5E25AC1D32
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download48C7C506F2565B99CE7644BF339D8E0C33E15B23047FAC3B2C1FD191A36A1F02
x64—DownloadDDB2FB0DC8F378D4753E97F948DEA951FAA5B6EB28FF199BC9AD06E60E64160F
arm64—Download9780A0EFD04431EE509B90F3371B592D20460891648BC5BAE1FFC93F9EFC43C7
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download1B5BE7EE796C24AE93C7C7A989CECD1A407DFB380798779E634133C3ABC38BA1
x64—Download8984F17342DEDF1B0EA6FE6F236FC8E26524BBE66012AEBF32474DF0EB540A4B
arm64—Download80A7E4E19B3F84AB111FA40A4B7CCBB0AA4CB28FF4A2F4177B510FEB8BAE6ECA
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadE1A82ABD836FF9D8B1F8D30B3779DC74A96C41D61C91F04E1135FB7E029F0501
x64—Download03AEEB839C52FCD9AD867BDE707FC692CB26FF07F38F5E79C69BC379521B6ED4
arm64—DownloadFD54D83F858A06407231C0BD61F92339A8437EB7AA7BC344153BBD0D3933ABE3
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download0C06D477F322EACD0F0BA3F1B4082437F2A271B5B22E4642F727BD6029D946BF
x64—DownloadF73B0F0BCC3D3F8002A982100EDEA4782A6524D7FB23246F197E8A2EB559EFC1
arm64—Download0B45121BB0DB831EC8063A46F421213774B4C8E9D9BA7ED81F0A9285BAF01061
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download9D40B20B924700F5CB89CBBE5CFF46A060A05BDD48A5F733F81F0BF28F23DC77
x64—DownloadA446552C589522703256C2E1F33AB33AF4CED24A3BFC2672B4AD9F38D9D15E80
arm64—Download1EF64576EB0A1AE949A293E1AE8EA202812735740A4477F5D4E5F4C0712E021B
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download85C509A07DCC397EA42D3434E36388D6FE7EFC7CD7ABE97915B1A45189C0968E
x64—Download64DDC7C6A8213362E44EF1DA064D50A50CEC764662D7B9401C00C79C2A7F68A2
arm64—Download314CCD702BDEC7FB9F475739E405902BA590EB7A0CB11848E3309DA784DEAF6D
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download4AE08CC91DC22D46030C8111F9FD7822C0B8925AADB1D6045AB83570FDD4A291
x64—DownloadBF6CE4AE7C171D5228579281FE38D2D79D46E979AAA9D29858287847BB839B12
arm64—Download8F935A888121B0D98ADD1394D5A03BFFB32230FE56636D4EE246C61D5B2E03D5
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download69DFEC68BC7A411E51DBF85BD858C8384BDDB3347420CB4DCA55C0A9020EA23A
x64—Download84C845FDF5AAD84BB9EF02F378243C55EC2394B8D0E39604DE419F18D412FF55
arm64—Download1AAEA264774AEB02D05BFC2442C11CAA3BEC9197FEC1FCB9432046E17E656005
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadFC56E35956A2466EC57C34FF97E81E0E83D0A6DC28836ED86248E2ECA8739533
x64—Download3DFE0881C0CCE0A2D678B66A668CFEDB1F4DB0B0A82B3A27F45DEF70ACF3B9BD
arm64—Download5E015D13D1824B36D6CD500934535533EECE615DD5C872A8971280387FC835DA
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadB7D229B7EF205E307434CE611FD79D113B9FAAC0A7B8423BA3AC82B699FE38D7
x64—Download98F53E70606358CD0FB6176584EBAC64695308C72C7CF91955B62349900BFBA4
arm64—DownloadB686A6028221F2A26B1C53BB4BB403FA43602EADD91B509BEC40400BA2CEF355
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download713D2B3CEB86F1C9201852F7CC059ED25F93DE381AF452542D682F92CBE3DAE9
x64—DownloadB76DFC6210730AB8179C5FA6544C101096F7CA849D984AB0DC31E40A879BE9CC
arm64—Download468DFFC63443AE5579A4FCD5C44EF619AD3D885F160A81F91993953AFC4AD08A
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadE1F10CFED6819675933A042F1F28ADDA19EA8BC193874BBBAEEDBF8F66EDBD97
x64—DownloadFC58A11D800A6CC5656802BD7FB655FFAB566960181E24F8CBC173775D5A4F02
arm64—DownloadD2027265CEC818A276CA3E4C30AEA4140CD12122D64469632D045BAE34991538
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadD01290E948DE2981807B2E89F5177E84ADC02288B9AC99A15A4A1A23FA0BE3D0
x64—DownloadDABBE596D0AC3C9B415ED420C8C186AD69EF31ED8B3107CD22D1310012EE982F
arm64—Download3D712DF646F1E729142C447CA6A6673CD730FAFBC52CC3D5CC8089D7B1177329
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download98F4C75D554E07D1853A3EC6E08826EA1BF621860C8248FD67C21C507D140D86
x64—Download778848D55D758CFEDD02C0CCE2596DD64E4F36C7CAC8FFB989A34669BECCA767
arm64—Download46284595CD9558B7B0FE921411D0696880CFF6793AD32F54729FCBC52C6EA0DA
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download2456B5E0CAB746235F4368F23344298AD0D6EC1A79B2C1BED3892E0AFED2DF74
x64—Download73F6198232E3D4AE4EAF6609179233BDB11CE305DBF87DF7ACEA6E5531D8E72F
arm64—Download40BC23B9D598D3796A519297CC7D62406AD6B06F17142D6968CA2844ACB0B0DF
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download5AA1E110C4715B267F79C94B842B7EDB09F88B82AE05C534C58DED4902B398E4
x64—Download34F565E071F10E08B2E69E5339754170CE4374E937C41AB2F78B413F25AE708D
arm64—Download5D30FEB497FC5DF97BA45FD0A68BA794621AC8C0DFEACBACF7A72A5E8489FC64
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadC77192F41906F45BDF43284585612ACEF53B003830B25D78F7CE8DBDC06511DB
x64—Download37B72B4D6E9BD7FAE682B23A8236FECF0EE4A832FD2D063EBE3B2F5EB6DC9B7F
arm64—Download3F4E9C55218C397DD2465F6FAB3DA20663FB230762715D9F843E20EE49B1230E
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download25F84927A9E9C7CCA105D8F6FAA693F2FC718D328977CBC12C0B17D97672A91A
x64—Download10063CFA042C6B5A704F7DB82819918DF7CA185C2534F4F6B17ED3735C3878FE
arm64—Download5D61351E55FC9E99764C54D8AE058EBE61D6D9230D00C21598FE211D86BE7954