Tuesday, 14 July 2026 @ 19:01 UTC~7113,449150,910

Mozilla Firefox ESR (en-GB)

Mozilla·Mozilla.Firefox.ESR.en-GB

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

winget install --id Mozilla.Firefox.ESR.en-GB --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—DownloadB3F39D905348B7151FD413D7F6A283676FCE09B1F330E23A77960FE1031D1AF4
x64—Download9A7E12ED1D9BB20BBE3434620F43569017B4A5D1EC6252C8B4D8FB2D7AF41EFB
arm64—Download0BCA628AEA8604CB01D12C6D3F5C9430B42903848B5982F431A181EC78D73C57

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—Download09E34DC41C5DD78EF9DDAE3DF612B5B7A53D408705BB2A4B85DB181EAC32A4F0
x64—Download10A620D9A718C3F20A8B43CDB8514145372F009C4290C8E170AA7A4B6C168AFF
arm64—DownloadF73118193CB6CA8A3FDC5B222776F4C7F55B028AEE3965AE1F575265A9D5EC61
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadEF4869D0DB9DC3936BF57E36A947E1338651C66335A984CE0906BE5AF4435D9A
x64—Download05CA281263EACA3DA219C8C895FD3C3609FF11E260394238D4DF71E9DD15941F
arm64—Download45A7C1008295B69F3696D103D4C9D4CC0224C439408F9B1BFC960CA3B5C08C61
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadCD6AB2CBFCD9453C3F857F0D354E8E8F0EA0E36D9AE83ACE544E196F15FC1CB1
x64—Download5E60D3BEBDC37E483D7C9901DE61E72C99ECEA752DD00EE33C3BDFFAC9CCA161
arm64—Download28FEF3CA15F8F6B1F9EFDE225AB71E8133A12C3CA484FC01226254CB86EAA83A
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download2BB3F7AA83C61A97A0265E75BA10351BDCD8801FC7C238817EA3769D97AD2471
x64—DownloadBD08FA87A5E9E3034D7B051C6CB2B9690FBF15291460EDBA3E6F9672B8AA09D0
arm64—DownloadD09AF3715D9C825C2B1552F39AE02EEA16D6869A3BC0949007D5BEFF4AC92B06
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download62D5C8F94C7A8330B7B964D7FA7A6C962169F614138DC3A7093855FB7136AC79
x64—Download62ABB29BD68991F132438C086B59BABBA6B6003A2A76C8131B275852673295AF
arm64—Download2CD9398ACB865CC21860FCD4AA3FAE16311D14F98FBEE8B69B301AF36F1CE2DE
140.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadFEC8D50F306750A5F5A176A7B18E78073D7896ED50D020DEC209F2D500F6D0BA
x64—Download29072DDA31803CC5C81FC233DFC053282EB37E41C9E25A6CF95B3CB312856EB7
arm64—Download45A3E129A10F2C5554EE59B253E023F5AAEF4BBBB165DBB31F1D333DD4E9C8D7
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadBFAFFC8EDB80E9B763039483BB978A7CBB26BDCAAFD2E1EBA016EE6A3E8756D4
x64—Download6A8954F1226A185E8BB3A02234A3DF62436EBA2C4327448B03593C19A4A3D651
arm64—Download7FF9DEEBD16C2D83611B2993D4225D5BCFFB93D127D2B6FFB3D2E58DFB9E2E24
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download9A5F39EDE57FD35D66B132AF73A272C5CC833B4440E17F5CF85D638581358AF8
x64—Download408B8E7FF20941AEB611639023AEC88E854CE96DB756561505161E67B3E491C6
arm64—Download5E1BCA4BA89E15756CF522F8A103F6E6777DC2DFA36A8F4037CB2B7B6BF09BC3
140.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadA929BCA7818D84762367C8C1B9917ABB2B854792B8003084A166BFA400BCB97E
x64—Download8CFFF30039657A36A3DA2E41C10E636610720A899CB95BFCC7389DEA266E8456
arm64—Download6EE0C64BE4590457148E3BD945877BCE236AD2D9C24B933E3D6241F6F8A06F3C
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadA2945A9E5D72A41DD44C7937458D5B3A005673592B3ECAF4AADCC2F88F102AF0
x64—Download401677EE01380C66C04223DB1F34921A56782E2989A0DAA121CD92ACE35603C4
arm64—Download6D67BC6BB399FC11DFE6FF2A33EA598A245F020B3F645E1D9A4FEF3BA1EF8AE4
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download5F1B0A4658529AD8FF6332C035308690A3E832BCD2AC6BB0140182B3E67E4440
x64—Download7BEF2FF3411F1B65158FB70A4B770E02F6B023BE744263E9F85916307710F336
arm64—Download8530D608457DE329BF8F28656676680100228E94F0E39107BB901FD942363894
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadC75E20C97465D158294E4906800FEE7F9D6D9AA4850694018528F65F97887733
x64—DownloadE26C5283C46342DDFDC739B48F6E1F1E63198FBD0343B938A9E8F80BABF2E17F
arm64—Download0E7E25EC22947420F1CDB1872CD2E58E5C592D5E1DED35A31DF560458EF7326A
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadB4F052E96B731C34AC2C20FDCCCF55FCA9A6CDAA6EE56BE6AC38FE1D194C2507
x64—Download920FD8773157BBA0EA2681057A68C8E4F8F39E853347F8713420DE20C090111A
arm64—Download023F2C4569B0BFA85B3F2D0735D65A99ECB8E0B44B665BB4E310C75EC857E3E5
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadF4EC9D128B6DE4FA62498906FC790F78F88AA72D358FA1D29B38802F5B14B677
x64—Download19724C1B65B79DD87DF5BAC8B7CEB0B5B2D038086C318904020316223B8CD18E
arm64—DownloadD6FB6208B233511AB08893D2A01538BFEB5C4850783B98CC5CE91AD1BF1F724B
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download3325B5259D22071BC8B858A5A5C5634B63D3FD5D43425341F4F7E1BF202531FC
x64—Download31D2C6AD826EE686E4B124B8F817BA82D753304BABD39811ED2A7DF19EDC1DFE
arm64—Download2A28277F41880E25A43F8CD0ECE391C2124DC2D0CFE231B41AE397C9622F7AAD
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download57DFD1F78A647EB832D731C51A7EF11DE50B7C4D3947BC909DE1FF50FBF7C38B
x64—DownloadBCA4326210F93360906600AD1A0A23494543D28447F60107D65345947EBA8291
arm64—Download32D7EED0DA1625FE0A410D8DEE253A29F536A5948B0220B6191D06C187821A5E
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download37A8C9C26ADC244A18006D3BF4DA24DF5E3ABDE9C6180D1106C5839FABAACF43
x64—Download056C7E87B7AE7C3A613EFFD50528FF8658DD96B2ADC57AF4933BB252DE5BE675
arm64—DownloadD5DF398F7287A5D155990C3A6CD45255175AF9D3DC4C66F72E484290EBEDB049
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download7E86154EE86E0D7A20120A1B092718A4A67E0CD0598B9041F54A9A0CD0D2DCD4
x64—Download2BF4264C12EEEE3AE27C47C7D0ADCF49317EBC2564DC887AC122531922186AA1
arm64—Download9AF4701340F9E2953B78F2926A0321D59CD1DE9B3B0CA6E5295219A9DF7B149B
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadA98754AC9465E0F1054ACA14B7D2B9C8E7D32E6557DEE5898C6A812705612617
x64—Download9DDD40E382E53CA797A527DE9AE9C8A1B3155DD83708E682B6222414985F548C
arm64—Download81E262B975EE8A9B8A6470F6B7D72066BE096ED3E25AAB2CF9C4A6EF6C620A69
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download8A4F31286723197112527289F665F8FB549355C33E461FE53E93AF3AA56D3447
x64—Download46A07569A1E387BD24F2431E3E60BCA55E99E09CC44FCC3BEB377D16C47BF1AB
arm64—DownloadA91D0B246B3741B2A8D5BFDFBB28BB37E07AB295A724ADB32958F82ED53C22FF
128.9.0
ArchitectureScopeDownloadSHA256
x86—Download08BDC4E22141BD7837AD4EA29011E76428F0BCBDF2E805D8728B8984780194CA
x64—Download94921957BC055B02F2AACD2403E97CDF5B163B18E86B41169B77B3B189DCFB3C
arm64—Download7F0ABADA12985F40DD7308BBEF9DA598305FEE36F0B022FC76D0AB10E9BCE478
128.8.1
ArchitectureScopeDownloadSHA256
x86—Download0F0A6ECDC2D42F2943FE6D41C0FFE0328CE31835D7AC13B1E7A27B35A242B395
x64—Download34FDA8AE248F1573C9D41683E4B5FE35FB8B3987933AFCD4FF8ADABAAADB4E1A
arm64—Download8D79D3B8A777C93AE4CED82C5CD66B0EA5F1BA22FCA582123CC6ECC04BD755B9
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadFC246F196CA330B936F5057708BE67D6FC197B91C985CE426E0077F5DEBB6843
x64—Download5169D5B9192A0C4A8A87801B9F42D5AFF97AC09F43233A1D397D7DB32BDCD540
arm64—Download725F5EB57B3D7677ACC95D904B1AA167D6860D64ED01F605CA59DAF62362D33A
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadE7117470553A76D15FDB0BF71BAAE23F50F425C59ABAAAF9CF8EEB2417E3D70D
x64—Download7CDC1321843ED1DD99D3041D0A93C886D7E870A330E40152010FA8A90F36654B
arm64—DownloadCD64EFFA844E433D81DC9A8119972FD749B9856503086C504441E9313713426B
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadBEC3C34D9D7DDE09FF627B26CC9997D2B3E4062DF5DBCD182FDEA9EB77445EED
x64—Download1A2C90F07B1A852B4313995512CAFB398C1567D058679D8BD4AE60B0F03D4793
arm64—DownloadF336AFE31EAC84150C3EF974CAA07A5AEFE3D23CD8A61EBD54BD603441B511B5
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download3363FA82621408446C82C7DE5BDA28D25F183CD3BA9BB5444FDDF1DB9640E2E5
x64—Download22AFBD3A763F931616F74731504D55756C60873BEC00C9BC1687FE1C3845FB81
arm64—Download2FBBBD6BAF06CC853249D8D389F41BCDBA6B3334F2C44EE0C36D2CBA7450A319
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadDB6AC2CBE35BE5D3D3A24366C2A071FA2414FE92FEA72D10E1263F9E7AB7F41B
x64—DownloadCDFB97F0E429B7B09A0EFCAA2D5F452566878A0A974E82C42D48BF9A87B80E40
arm64—DownloadC7D13457980C19D8A2D03A80DCF1A5FC2D3C0F38E784B336E3A99A2BEA22D012
128.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadD74684BECBE96536018DA6521184621137BEC904C0861D5E0AE3C6F44D5E1F11
x64—Download959FD5F3C027568FE27C6E1A2E814CF3B5262073EC2F58C06B703E0C17C7EE71
arm64—Download5B39A57C2922D7E1A13DC32ED42CA849B622D30EBEABF2EFF29A69284DF7A429
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download40642C27C18088295603B8B74CF7166AB240A2B9BCEB46BC40BC47824D0A8C60
x64—Download9925150345DFAD112C61693C685122257321E5075C6045D8576F1EFC326CFFE2
arm64—Download8C2B0BAED99A5FEC253EDD841EA66C75AA9039E793C0E701D97E4FB8D7275578
128.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadAE9ECB6508AE1F45728EC035F7A6DA2121FFD5E55D582D37525B6C086B8A4804
x64—DownloadB531C9C56086A098AC7941F59910F903C457C4A381FFADB001EDBED17B191A28
arm64—DownloadCD244D4E2F2A38C87478C8C3D513D04DEABC35E30784BFAACEDF49AC0B7C756C
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download3216F34224056C671BA4C80B3F4206E91BFAD14F6FD84A9FF27352131D672FB4
x64—DownloadDD2C35EA5539B907C18DC6BEBD308E49C538CA20953CDB97E09DB1D789E76604
arm64—Download3D9E9D6E3A6EBF4984E9207C5214C647F576683D77619702F1208EBBEACA94A6
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadCBB0B4A36A38153F9CC042EBD1C9A787C8370C924FD3BB2CE3B394C45C1D1DDB
x64—DownloadB27F6A1C8828F6E187111CE911451955183ED4204C84A1D132AFA99DE1098AC0
arm64—DownloadD56A262D7E293BC41E02331D7252042970B96D9FC3F86559FFF0844AC9781495
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadB9D2A64D8988257BEE4F4FB139DEA548D12D3EAB67C961BDBFCE77C61A0093B4
x64—Download5FC7A4347D983075AE0A07329C5B2605F555414DF2F39808A90288DE2DC96DEB
arm64—Download81B2B11E44DA3D14EC67AF3932B9D26F700848D0A8B317F92B8E4FEECD4060C1
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadCED854F97AF551EF1E4D9164CE10271925658A50FE81DC48C5731296FBF5D086
x64—DownloadCB56510C4D8B9A0BED4F926110A7B4A668D8A3DA727675A59013B0ED9715FAE0
arm64—Download97A2CB3891A824C249575E237B1B12DEC4875C9A805651371F5C99F259E6E33C
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadEF528FB76405F3C80E50C773E39C29E20796D256200DAE3EB6EBC3812ADD501B
x64—Download41D72662EA3B12869598463A34B30FA4D481EE8DBBB604D4DED197636A1FFA9D
arm64—DownloadA1F1ACCA300552BCE89A3D405336B206351AB00554DBB1FA7FAC8C408D930C01
115.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadC2CDE99D6C8D09018ED3B8A9A436DED662B8788D689E4620EA4B7BFD2AE44E20
x64—Download5BC0FE328BC6C481E93EFAFDAD9814906A0F826BD7BB5832510C19DDE9A8414D
arm64—Download3EBE4BAB9BC70A178730A8C857F3DCC1D3B22084E4E10EEE289DC3F365BAFA7D
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download2DC92C43FB3AE4E1CC06DDF12B4FE058F55C0EA6A0EF994EE864BC4DFD42ED84
x64—Download4A4A34CF1D7FDE5D79C6D3D1A63A577FD5AF49337C8739DE752265E03D8CA039
arm64—DownloadFC299612BF7B2EA9641708F9FF54C60D93FE9884C62DD0DC7ADA8B45B8BD9EE7
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download65A53D603546A2D9C241FD18F6749FED2260A05FC7F246ACAB31496E1BF23C20
x64—Download3B342DC287FCEB56877561CAEC8E46C868DEE3A316748BCE51952FB87E5465DA
arm64—Download8BF06266873C0F5A37BDE43F61427F2E893DE8E2DAE3E114A7869D6261FA8017
115.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadAABB077B7056D92208D32A8197F28E175E8D3B302C37A916BF11DE80896858E0
x64—DownloadDB601C9BE1E12F28434CBCB615D28EA66AAB0D51ADC38322E956BEA317FF5005
arm64—DownloadB946C4DA4C6C0C9EF4FB5F2CBBD03420A54BB026B5880A7E333B98E54CD07105
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download43C3C2251219E29FA5C3A2BB52657C3110899FA048057B8BE4DA4046E323C6EB
x64—Download83848BAAA82B16A46036710DBC01C91EC45FAFDF43E85C5295CC296F36BAAE73
arm64—Download7D65D9B266C03BCE5B922CC1073B3BC56892EB1FBAA2DCAD868C9D02B606E028
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download7467E699B7D373764716001C5AE7BB7453544C1CB8B14DA942FA45BF28865B3D
x64—Download4FAEC48EAE87C724628891875961E351F7D2AA17E77FB2B5DF3585E14C27EB96
arm64—Download351118E682907E411ACB977E46DCA5F0BD88A1E8E2A2F877A093EB5CFE4BF377