Tuesday, 14 July 2026 @ 14:01 UTC~3313,430150,790

Mozilla Firefox ESR (tg)

Mozilla·Mozilla.Firefox.ESR.tg

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

winget install --id Mozilla.Firefox.ESR.tg --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—DownloadB447200814CD3871F4447CB5E9B6FABE66D9334AFC489ED81EED5B88EAE29E66
x64—Download8DE4B160250CD31B4660D95CBF9F2A0E7DBB0157E3A1994E590DA1B1169FD2AF
arm64—Download0664DEE59EBFBD3FC24FF277C525F953915D4203E1E9D4F51B6D97873E590202

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—Download2D2679D617DC9E5930F7D41EE8B3760E575B8BDEF801F83F341651E574A724A0
x64—DownloadFF9AB2E9B1FE0DEC56EF8D1087B3D983C9DD2C58986FFD584E3A4ECD0038922B
arm64—DownloadB4971BDA102B466344869A450C6636C48BA0DBC1090BA11FE8AC9AFC326A4CC3
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadE41B6B7A4447557C680B2D5F04C7640CBE7674A59AC32BA0A4D50408FA3DA0C4
x64—Download05E1208D0417BAB32C59354C3B731B667DFBBBA345000403ECDDE651413CD284
arm64—Download502EC543A7A46971A951201426D2308BA0931F33F133F69FBE53DC302801AB0E
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadB9A92543284BF0EBAC3581F78BFF4FEFF21AB401398ED33D0DDBBC884FEF69AF
x64—DownloadA221C02FB52E2B8983815BB66FF9D41F19833D9E1CFA4216D75B85F4E052E8F8
arm64—DownloadDCCF4F10445E8CD3A93F35D90BD9DA037BE9F598AA84C497A1F3F99886526370
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download5792D77D38228D10E9F9FB0A810B6CAAAF57BC70CC3E95B44675B115D62CEF52
x64—DownloadABCFBF1C1C222150F2B1C63D3D25A590A5445B8074A92C2E7A69A09C66234198
arm64—DownloadB5680A514E146623109E28CDD1820047421A9CAA0BC4CBA6AEB9BE65C12A3777
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download5F11FEC171EFFDB528FBFD1AEFB1D99844F7AE8C9499018E2F16BD0959060DB5
x64—DownloadD735BB18358942B64145D6CF42BFD5CF0BCA6EAEDB95CCC1614CFFD4911B5023
arm64—Download4FE15392CA0F22A4638B11476CA834983BD80CDA928655C5DB6D82AAD4689C59
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadC862E52DAFE6A014E0BEE4267A0BDC9AD38581421A0D5C2D212A5C18A516D23F
x64—Download8B5D0F48F2740BD68F75DB353A30767536DA74EB1C78E2694E79903CCDA39054
arm64—Download8911CB2C8CD14AF86F38A8B565F022D8A13FDE58719FF21CB91C76A5EE804D45
140.7.1
ArchitectureScopeDownloadSHA256
x86—DownloadBA496B369F1568EDD97296709BE8A9D9B5D891E62265C5B873060A55C8CAF935
x64—DownloadEB5926581BFA08EF1741767F128A0A74CC450F0AFE3D47EE236E51D336EF1794
arm64—DownloadE1BFC57B8820F3D7AA66067A3D5C367A0B5ECC111113EAF5529B835772E6F27E
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadBFBF9FEEAF66DC323BA6849A3687837D1C34161906693B31CEF2A61388F31DF6
x64—Download253DC1425CCB7D3E52594E4802136D2680516BF63E17CE34FCF47B817F29544A
arm64—DownloadAC7B2DBBC7A27EE7C1FF9091A7606BDDDA0A3BC9DF94B08FE1C66D90D4FCA6F5
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadCD006525FC65F450F2D2FB99B4AFCAEC4CCAD368C129DD3DF0CCF08485A0B8ED
x64—DownloadEFA86B7923DCF2E2474BCE6471ED966B58472BD4A8FDC52FEFDDFB8CD56E985C
arm64—Download24AA8EBA9AE487522A1492DEA63B49C227425907C65FACBCA808DC0EC73E2BE7
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download6682B9BADACA37E3EA387D9E0C96BD0D8B46C5E4EF3C1126B9FE221EB45A6C06
x64—Download31D24E2A904A1E4FDF70BBEE34ED1A506514ACEA3425E50C7D8A7E4EBE2E6203
arm64—Download16646A2311A20FCA630763A7881DEC43D79643D955D96B42E8A27A6CD9AD3D37
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download116694428CBBBE5E5A5DF401C068548DCEEE60F938DFFB0FF83C19BD744A01E1
x64—DownloadF8EF167ACB253EAE2DFB3AD9D8CB28FCC4B0407BF184C6D5F52C71A81EDDBF6B
arm64—DownloadFC507646572B0CEB4C67AD6E077EA50583CC27A06211E724C67CF8F8D0F4C6BB
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadC258381CAECB0E187F92867C94F97CDDBABF3E471BC84DAF3BC2ECE5BBB2F4AC
x64—Download133F4B407D832B75F0C2626039A3398A753A06DA896385802A249472B0161B3A
arm64—Download79358F876678ABFFE8395008E0EDA0FC26F2F5480518528B3ECB33A147A531B0
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download408EB798F7B5C4D8E0DCF1DC03AAC4726F59ED1C7201D24CA0FEF3C9369F9E0B
x64—Download853BC32F58C3EFA5D2ECB017329B31E69A795BD2EB738FD5F98714770EA7E612
arm64—Download33CB6F2EF3F371D6751FCABF3FA81EC4EE359C77A23D33DB423DDACFFC5B18BF
128.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadDCC622285B56A876A4E92B8938A1D74EA883F179E81A6A1D2E4A6B7D76E9E217
x64—DownloadBDAA0676E6388303FC689C4BEBED55F525BB01AB6E75A38975D3157C7A727CFF
arm64—DownloadCD0F8FC3BBA9BA6B3038AAD9E37A523EFA3C63B3BDF54B49DB35B97E98025BDF
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadA922D80EE549F5576CBB2ED3A4FAED557D253C952C44F2FBE7C12A5C3DF4556A
x64—Download19480BA575FAFC9402AD5C6AC9EFB70AEFAB23191EF66B515042B5252769B1B2
arm64—Download397190A68786B232547B13C6808E0E98EC5A76F9557306EDE35E81E0E9309481
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download15A00E3F0190E94125D8BAF6627181187F0E5AB91076B4584962EDC596D5AFF0
x64—DownloadF30AD2DEEBDDDA9A39BAED629AB3008C5C2283BCEFDBFDA050744412BB634EDE
arm64—Download8E8E3E59A1C6A4C9AF83B6F430E0A6A4CA8F5565A7E1DC4886E298D06796A956
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download794F4D9FD3F11C45BC5278EE12772ED1C7B86C653DD62B7FF647D98FA7341A6C
x64—Download8BF9B09423A9C05611C95373F31841458A59C39CE9F9F4E9CD6FD4A0DAB3A7EB
arm64—Download837E8FADA269AD4D062B125E760B4A15C0257F952433A58DAEA3450FF38DAEF7
128.10.1
ArchitectureScopeDownloadSHA256
x86—Download81EA39823BB51B3B0F055CDB12CFEE47FAD3863181FBE9146037D3328FF3B702
x64—DownloadB936912B9F18084BB659FB238A703BF83050279501093BC34EB9522BA4F9AC6D
arm64—DownloadCDF3DA4443E6B8B9C3A24BC0BC58C0FF4F7970F75EA08F528599A596853292A2
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadF314A6BDA47AA038AF09064D6C64F48235BA7A11988BBEF65342F3186D76DB01
x64—Download0CBA734E456B6497005C55FC1F19D66D48F6D5B339305B33437E86AEA9B8A7A3
arm64—Download6983B573C8C99AA3E343B9A84F7B5B8CBC17B733D044D3FE620A96668473E492
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download12C170E7AEFE276C22010A289635D4872E81D198B0A5235E6B2DE61DB3CD4EAE
x64—Download8881A357374EE9E82479D261CAE67FD52A06E5ED2F8015B76AEA658F2F33DCAA
arm64—Download44B6D497A0CD838FE650E35F40D90899955920E9A954CCD560D3F273E36845BB
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadE5FA9368E42479039DA582E0E1C945C5BCDBC3996881EFCF6B021A7EA5EDC65E
x64—Download89762DD2171E054D695CC80A5E4CD8D573CCAF23292B89DEAFB0683D76F3D1F1
arm64—DownloadCF056FEF18B079D26824ABD1880541C9EDB4D555DF0705CEC8D7A366497075F3
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download74FEEDF4A0692A2A2CCF116914A30B3361020BB78D2957B10675BA49D7D437BB
x64—DownloadF1708D61FBE3F6B71A1CA989CFC3ECE2DF757829E37E477495BE0E7721D409E6
arm64—Download6D04EC497B19EED9F25942D0FB297C246E112D95BE1C4F28ABE559F97D007A1C
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadC6D06AE72995697C3824CB918D6CFDAEB1F81FE6A04C1B6F8175FF887A9A13D2
x64—DownloadED4004F3F378E7A4BD7D3951629DE8B41961AB410A275D645EB5C9A0F7A7FB30
arm64—Download870DDCE11701AB250B5813C2944B172479742FCDFF5F89D3EAB0C910438D4091
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadB4410374C93E71C84B78B2D7F2EF3BB7DCDA0E8F44A21FEADA2795FFC7F9911E
x64—DownloadA62A365C3EA3BC748E36905427C378216D6001E388EE2D8427E1921F2E68AFAB
arm64—DownloadF373899AE1BD4A65D1478C660C087961C2141D73D870F301910AAADC5A79DEF4
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download0C404E11437D22CA19D7E340A37798CAA9B20C87BAAC7A92F1892FEBD4854DF1
x64—Download37EB43A86BA58EE1AD5E3C7ED23DB2D1EC69FFDB7D5EF7E73B710891568CF0C0
arm64—Download29E6EF57AD19A567AA9304C5CF43E55B4B883BC684B72A75B05EDFC6A2DE304C
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download984937558F66DA489D01A10D686D7F6F546E8074F1255F5E61F7C74B7C2DE0BE
x64—Download9286BB662147C02A0275A01F935608AFD06E41F0DA4592309C0526CAC9A293FB
arm64—Download3478A1F6A244D6BDBB402FE82E92832E4871832FC6DDF5DC96F8F3D109C350CA
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download03514DA3AA3FA9C4FDFA7A4B4CCD5D036FDFCCAF8B771857C260788306425BB6
x64—DownloadBDD3F900712778B84CBDD892C3BC8FB7854D88A2ACB1126E999438C4FD94EB4C
arm64—DownloadA95251DFEBE2AEFD3E5C54F624393CD45F319C252CFB49B85F4CB1EA643F3608
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download0BFFF96CB5D09E745F865457CE9975113D7A5817DB68619BFA738E92E838F637
x64—Download9BCB91D6A7E61838F88B85AB15EA0F8743E99CACE67025630D4B2319D882D3B9
arm64—DownloadB152BF66DF67D302EF0E880A7369E610120341DC05F59DA50E72437B7DEE9F2E
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadD064A51B5FB9A1017D3E17AA6B5F325921495817AB598B40590BC4FE7B80E921
x64—DownloadE0C59201B4CB27800685D16E5C595494DAC62DA24FA8B350BD36A6164C206CB3
arm64—DownloadF29FBB1815DC8DAFCE5A6549EA6478F03B98FED4006DEDD287121184CE19D92E
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadF449819BBAABA9EF4F727ED3F4ADC1FE8941EF12CBA1098514DAFD68F77F906C
x64—DownloadF8D9FFE3DA4D557C7822E644CFFD314F6607666F61FB7A902B1FC2115921E314
arm64—Download39E8BBE269B4804D1CB4010CA9EB31942BE1A6241B6B3384243E5E43AAFDB5CE
115.15.0
ArchitectureScopeDownloadSHA256
x86—Download0E39695FAB36460CB91BDC08DB12F10BBC0BCB5F802B4186C02F4216CBB31A4F
x64—Download70DFA2B2F25980DDFCF680A3530D8F18610EED2A6D90166F4D0D8D78BD54F991
arm64—Download6C8644361381AC76D8A1282BF87B827C7FA9C9051C3CFED90D1B69B9D0A6C0F0
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadD7056A08E111F99B48C52EFB84C8CCA107466BC2893EF762BFB69F8EB60593B3
x64—Download61E96A9B37027B3E4DD5A679C4B967427234E773E49CAA09BFB43EB2A8BB6FD0
arm64—DownloadAC2603C368A294E37B5D7AE5B05ED30A5AD9BB55505C7BF66E6CAA3192CA85D5
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadC7EF7102C9BA0BA4426FB5CF2A7C6DD5C98BA9B59EEEF43DDAF38E71122BE51C
x64—Download033E2A8DC3362BCA81CDFF74832A67AC84BE817189DB05468E2135163EFC419A
arm64—DownloadFF5439FC324BCC4B04D858F41C221686662C904E91FD3F28EE506AD6F2C01E19
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download66E82B1307CE3AEA15FD3EA567D97F5D58545C912428396DCCD3F63E4DF4AE95
x64—Download9B04B98F1C0CFE77C9E82BE126A3D234D173A44386F9A63ECB0AB5531EBC626D
arm64—DownloadD7AC326F6A0B21212274DCEA592073C6D9E53149D3FC1CE7DD8CAEE58BC9E8AB
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download79C36BA033DAC67E7944043FD79D905F15E7AE8D17EA06341208F41BD1E551E8
x64—Download8F1118D819C678C3B358C87298CB5462ED9A095A5B783C9B1FD45D85DB345E07
arm64—Download968E5BB78EC8B832DEB219E7A397C2B1DF3E088733AF9B541A6944455FAFFDAD
115.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadED2BEB3827189506D9081C38C76474578D6B918E05738E8DEF77D560726F3024
x64—DownloadCD920B2B6B3D467BB1BB6631CB42D096978F1EADB99BCBB299B6D80B83C53873
arm64—Download544EC194A18A80C83C7832BB35571F1136A23D56D885005B92B3850B8E5AD0A3
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download38B718202DD8BD6A9ABE237F33B8C8284845E8BCAF297AAFDCD4F89D8EAE12A6
x64—Download838FF71BA98A308C8725B86F5F7E485A7C25CC705925F6A3BFE7AAF852DE46BD
arm64—Download07D0234D2432BAB9DCEF12767697804F2FED6D76CADE6E0CB887CBDDE80E7882
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadC1D60B805537603CEEF750EAC10742D70FD79A6CF4BA6209144943D986FDEAC6
x64—Download539C0FF7F64AE1B04A951EAFEF0F88F121E751D98FC50259B2772B0A6DD3C8B6
arm64—Download47DA3D84FFDEBF22894507999C846F90311D5A174194D541C1499EA5C0F581D5
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadBD4ED8CE476E40879FD342405190EFA473D7F4471500EC8658ED0A03BBCCF48B
x64—DownloadDC7B49FC8EDAC9EF3520FEDFCE6A7A2E68EACF0F25EAE5A540C0D8E99705AFA7
arm64—Download6D8498A3E3FD6F3D20B5B601E641CE52C00E62A8490974518EADD4599AE843D0
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download7DCEF05066D2C870D3B81D3A42B5BE5D1E8ADF4FB2C1A3F36163E92E1B446D4D
x64—Download3F2280CA8AD6FEE5A1C5D7278446F404FE4AEF105D8A207AACBE71F14A4177CB
arm64—Download59FA6D6ACCF977C8B3F0BEF9EB80677FC0001EECE806D1CAD0176882C0EEDA84