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

Mozilla Firefox ESR (ur)

Mozilla·Mozilla.Firefox.ESR.ur

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

winget install --id Mozilla.Firefox.ESR.ur --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—Download7E042403EFBA88CEE4A773219D7AE06561F5195CB35D92C5418E3F3DBE7373E6
x64—DownloadF1FC61C746B1A6E3C31DF85A1A3D82E5BA6D56CCF40A852C3D8F8EBE302840C1
arm64—Download45C7B96D23937C15E55A500A74DF4EF1E6ADD88EF3F5BBBB4D9BA1183F3C8598

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—Download89708AAB894AF777DCBC1DA0036BE973E9CE84BADF198B90979212D1C6C16D23
x64—Download13C27444C5C527EF69EB710F5254F6DB74A353A3C0769677A597472F74350F31
arm64—Download6BCFA520C71876ADFE29231CD68FA0D9019A58D498482C3645A861B4924A9BBC
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadE1015BA144C13776DE38BDC36FE80534BDD3FBCDD37E7A3DBC86EFB17F11224F
x64—DownloadCF7D95586CD664C8702C0B7A2A719CF5C6A6FCC42838E31D86EA80856432C8AB
arm64—Download888530E44144F9029026C2358BD945A1FD6F0203521B45936341AA4CB47A3C35
140.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadF9E2515F7EE7162CE285205E2E0B49284E6DD3A21E6F1451064597A5D282117D
x64—DownloadDE053B2DF0E79DB55D0BEE378815CF540C028D7CA542C6B49CDB82EEB1CB3FD0
arm64—Download49140BF47675D1DF87B54147EBBEF6710CB9633DCB6F8612C639D98FED6AB455
140.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadC528FAE9FC6596A7F3F4C18F713E1861F928E9C8F8D315F74E7A6BE5D5797E28
x64—Download6CA5E9A2FFDFD5360D79F2DB0196C06DE0268B945C95AD08C08A2243C5F05DE7
arm64—Download62F8FA36D40B7758C8BE00EE0B03109FF2CDF3A67A2C12A129C1BDE648E28911
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download1817225742322B491EC0AEF62EBADA891EB640E9FE69F11A5910B8BA540BD46D
x64—DownloadC6DFF7AE9BE07F7071A3F6327DD789E3CF6CF370FCDF30F204B2373C9368A31D
arm64—Download00AAB7FA38635D108308A6357FE2A439C4309B4B2E003A6C79B0D45686E8087D
140.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadDB2EB2BD12EC15EE8B5B10683ACFB6E1D4E421938711F7F1E13A2F4E166F7146
x64—Download6CE541D1ED68D7B4F849916B44EE994CE28E08AB749F4560CEFB37115062CE8F
arm64—Download60FEBFC7C6FDDE9A5A2BAC0325FAD5C3EF81D3572267B0202A01C45ACF9F7FDF
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download43ADC90169E0FB4DEE6830DD52C433DED6BFA2574EEF03EBA43208D534EFAD70
x64—Download21C27C3D8D7FCC8450AA005D265BA55E511EE8EF72DC7367BA1A24B6325DE0D0
arm64—DownloadAC3EF5DADD0B7CEAEE3AEC452550F3599E4BB3055CA7B0BF327A92E8206C3A81
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download8707EA623E840EC19216C73447C3A218C204125D553B1EB27673D81ABD618EAB
x64—DownloadA81A7B590557FF471A77F7ACA2D8DC4FA26909DEB82484869791E413CA977EAE
arm64—Download8BA72B8A530C7AD7C0404D6901555770908B2ACA9E8307890A7957A6177006D6
140.6.0
ArchitectureScopeDownloadSHA256
x86—Download99DB5E740462FFC6972B1F2AC95AE71C0178B66F4FA533C69DC4F2EA61C0E8FA
x64—DownloadEEDC373E132DB69DB1EDDCBC1CF04E8712416276853CB0DA13B771A4FC98559F
arm64—Download80B4CC47B8AA059E32D994A7E4A259E159618DCF55A0FE8B80F737C7954E3902
140.5.0
ArchitectureScopeDownloadSHA256
x86—Download0854C9F00D5748600DB8D39CA205E35E5636D341B8BDB2A0113C80954B5BC2F9
x64—DownloadCB07C33F5AEB4F977152B493DE1A8EBD92E88E1596D64F5BCD346C9BAE2C2C7A
arm64—DownloadB7BD4B399BA2A90F9D5F79AF568D8FA16DDCC0594E9537E414C9444AAD90C793
140.4.0
ArchitectureScopeDownloadSHA256
x86—Download1EA44090965E69BC2B7DBA93F85EB2BDB92CFFD4DDA4A0C32D8C9510AFFC5248
x64—Download635A513E817DE88214B2D19367E2B2768E47D52835E10EFA856300922BF11219
arm64—Download1224AA559C8C2565CC46A84F728B7D8E9A1C001C6CF69F6253196C370ACFAA15
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadF5C8E602323CAC0D44D0B5983E9F62E0BBED3E648217EB89EAEAC12FAA6AFB2F
x64—DownloadA349E7AFDD85C88ADCC2BD8DA6D078FE384F96B78E28D61BB900E00653E8799C
arm64—DownloadC203CBA81939DDF3814E25867CB407E0DC7D88E95CD4BB965A65C67565B47A4C
140.3.0
ArchitectureScopeDownloadSHA256
x86—Download83DEFBCF91449DE899000522B037E752746B2C9F54CF76FE958119CE8AA033DF
x64—DownloadD3C80B597FC0C8C1B31BF41AFDAB60706662696E3FF65A9CC8972AA781684DB9
arm64—DownloadCA2E1B78CD369C03F8836908B423F91E000B3373EDF3900D9B9BC8363ABB7CB9
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download5880AA7D013870DC043476B4136DDADD7C0BDD60398EAE41DAE429541DF47BB3
x64—Download0C9CB9D862446354BAD12EBCB089C2F25AA0B1F3FB0ABF19EBA32DC84FE62E83
arm64—Download609FF7EEAA75B7CD4178B3779E5BCE3CB486717A12416AC379F7673AA4916F99
128.13.0
ArchitectureScopeDownloadSHA256
x86—Download0257BF6A331A20F96F6C7E36A08DEAB8B5D102382B9E324819887616DE8FC0DA
x64—Download37853B1B4320188C6E6B3D433DF63FA2B5901D72EBD083FDB07DCC5A08E288E5
arm64—DownloadFC7A445A59E580A8DCBE4BF88F62E083295B8FFA8175EC53B3F66B80BB5EE16D
128.12.0
ArchitectureScopeDownloadSHA256
x86—Download03CBBCAD6455512E2721E1162E4788503708B2942D0B1BCA759BFC3BBEFB115D
x64—DownloadF93CCB6CE72A2FD3CD3C296E371ABFC136B1EADA0972BDBEF8057A6A7F650E9A
arm64—Download81E96EC7E759A9BA19C2906649B7814469184DAFB3F3A5F61D11C8C3EA678096
128.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadFEF50B1EC064366DBDDB4D44F8F77E8A0F001A7818F3E5B7BA605A8B1550AA2D
x64—Download0048C9CB093CCA4995291FD696BC9645E2C383F88606691774912A9FA8057BE9
arm64—Download62E857549B8A1D8AD2C22B2830899BEA0D16407504701E933B71D240CA0C5FF2
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadBD0CD8067CC919726CA4C27A0AB1FFFF3D48D844CD5F91A9624CD0D53AA917F2
x64—Download43E5BE912C9AD7776935848574A9891DAC2282754FF9E9A2C6BDB5B769581FE5
arm64—DownloadEB1EC2CFB6E91445C84BF8140FA1E730308ADE19121D75989117746A79EA0FF1
128.10.0
ArchitectureScopeDownloadSHA256
x86—Download902AC2AE6F5B9DD834AB1D3A0EA5744B23E8CC2519A7F204235BE7D3D9DE3160
x64—DownloadDC499C29FEDDC0C6B543EAE1E7DEC2C3D9C9156A8DEF0455887ED88482A44D26
arm64—DownloadBB9EE0499847AA3D5A93D5C34E849A49DED89012BB3EB66C6F1D9779F2E72C35
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadC7CB96EFFCF2F1C7A2042E22C54DBFA0C14EA810695543DFCA243FC1AC889426
x64—DownloadB089299A5F223D0DD3EC4365BF7454FE5ABFCBEA464889D55790201241131121
arm64—Download8F34662317D0D2229519A5DF79140F42136195B434409858CD4A6E590BABC771
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadD188AD6D37DCECD2083B047A0EC38F59E3AF83FA865FBEA19AAD46AA34C5DF9A
x64—Download056361B47EA4FAECEF2A32E49F25477C4828BBB7A8D2B714BF521C208488F754
arm64—Download54D80AD798B114C2EC7688F834AF21327D5A4E758F6A3B4CC41966AB3B80D59A
128.8.0
ArchitectureScopeDownloadSHA256
x86—Download3126BC409D5EF20A17DE4D94F8EF6A50ED55C8C4628C21769C469201873CCCFC
x64—Download84FEBF1A46C6E117A87C6578E7DA5237351227F3776555DDF3E38DA6A1268778
arm64—Download7FDF8CD4897E0CB73E42530A4AF1DE4D8C547F162F0C21E6040878EC1D3068AD
128.7.0
ArchitectureScopeDownloadSHA256
x86—Download1931B5AF85C53DEE54AD4E0467F7C81BBC55CB837ED5B5C3DF696A1A7FEF1235
x64—DownloadC06067F4329DDEC147B9819064F0C4D6E5340B7AA6365C6CF16D4DA4ADA4E234
arm64—Download119363D87D59CDE1139A49B770E5F188CFDDE2253897CB442344A1A83A72723D
128.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadF2BF8E796F2DF25BBEB79761E40514A20648DF1C11D16651F782A44AB85EE51A
x64—DownloadDCDE77585E315F48CDCF31606804909D3F3BEA5BDB9B3A17D144E2275B5903D2
arm64—Download68D6028A3B47637707F9A1D010DF6FEEE1B0A4BAF8F3E30058CBDE158D4A3212
128.5.2
ArchitectureScopeDownloadSHA256
x86—Download38561C37EFC1E2AFFEAB55A0809EA66647A3BCECF48E103CD6AC8080DD1EB4F7
x64—DownloadE15A4B5BEA22C17DE3003CB907FBB4E6C36C4682969C4A4DD86A94744FE448CF
arm64—DownloadABE2B8357FA70D3EFC6462985636AF523657A92FB5EAF237D23FDF7B161F7616
128.5.1
ArchitectureScopeDownloadSHA256
x86—DownloadBE92F6CCFB5C70182B6F29011114F0E1656CC3CF9BBBFA38B960546E69AA9620
x64—DownloadE038E4DA72D6CCF9FB5CDBB8FCB1CD906185FEF01F5A8C421C4EB55CC67B10DD
arm64—Download8E1CF142BB6578D8E318912AE8AAA744042D68DCE65BDB8151CF76C80C44773C
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download4FEACD7F98565E7B7937B57AF55DC1A64B2DDF166B5BF5FB145E4EAF22166CA4
x64—DownloadDBED25134F20B2FBE44878095D34412181DF75190B2DEFAA056C9FB28A262919
arm64—Download1EBBAF864FD7B7C26EEDB70CD4FF4E58586D4BBDB557C2F7ED2B0F8374C32B4D
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download28D87C9E0DC92295ABF29572266F66D956900863432F9C50EB1B6C4681D70CB1
x64—Download5758DD39356E80BDFEA14B0DB5ADB9932E3EFF29CDDBB5DFBE8C4825B803A494
arm64—DownloadCE8B70D676ECC0C7FE4AEEA1F7DDA6CDB47596C3FB2CE544329903EC905BB34D
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download1A84847CCF00C5695F8409BB3866BF6594388F26D807D6240F6FCF9CADF50262
x64—DownloadB7D1A99B4DCF77CE80F9CA4F2EBEE20970F2556D2B5330CC4531B865A84E75C1
arm64—Download654F4F037F3AD93C30FD3665F62981CEDEFAE1C215405447104883B08D88C9D8
128.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadE9C4B07D15D22FA79448BB1C16A1DF5E313C9A4FCCDBB84A61789085FEFE78A4
x64—Download1DAC484D895C0138379C21B84D924320B5A60140011B80A3B2E6894CE4C11A3A
arm64—Download985DD093BF87C77072D97B5ABB338F0B0F1ECFCEC6FA9DEF5A489502227C1342
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadB3AF5FABF20D3B973D87C676A7EA9BD59F4C540FCEA4D36592C8BCF731F92C7D
x64—Download954FC3A998F58A5C437D52E8A1675106E836F2F52F995F223DBC5C7F831CFEF0
arm64—Download7EBC68DB26EFA64686C69D3924B9787A2A330935460C3296F52749F72F14441F
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadDF44E1EED727E5179C55DDE67D1797D7B7D75E4CCF304E3F109FC9178B5C7EFD
x64—DownloadAD472D93F71868FCB9330E5074D5034B7620C62D960F2AF9C5893D8A7651F346
arm64—DownloadDBA350ABCFE9DDB6F7859A3D55E8ED6CA69397E3D753ED62F224915924133C83
115.13.0
ArchitectureScopeDownloadSHA256
x86—Download867AD46947F1B9C9C0B315D253360F1EFF17D2FA29DAD765532F9D948EEC79FD
x64—DownloadF5EB155E12BEA795874E1C93BDE8854AB4BCC0E4A5FA4E759B51446B7C83CD62
arm64—Download38FD7D9441671097F2C82E8D567B57D17681608F9345D2854CE02B31B9C51CDB
115.12.0
ArchitectureScopeDownloadSHA256
x86—Download6EC9C35B9D9463914C0E6515EAEAABEE27F5DEA7D146A657392A20478B889D03
x64—Download91BEE7B5908CD2D5DD2A023694D7FD6C858D559152C842EF2EDCA020A6EE55DA
arm64—DownloadEF26FA0960024E487CCE2AE4D2475DC437FF84B2995B74946A0B7F393C1ACC86
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download20FF6666DC850CF9928742CC27D7E7FE27E0DC0AA7AA4909875B47375C679E6F
x64—Download1F56D754807D56911A0EE761ED114170E29ABAD5103ED8C5AD83138BF48F423F
arm64—DownloadFE03B55B567C2CA20445C3CCC86A8F63D2EF34748024451D475AC6BB44F7A1EB
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download1F9A49020A6B00B6866D3120D9CBF1749EE0CD873882263EA6581190E537EC58
x64—Download423AECD18E4B662C1F284EBB4F4679D783251C0FF1CC1F18CC1271EE9F53F018
arm64—Download83BC8A896F23010AE34A72E26A4C6C8C627380DE5B8CF912DFF7DACED7705798
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download44F2E524F84C021FA72F6D7E11F5668F686886D86BE110CBC9FC3F754205E05F
x64—DownloadE21A9EAD9156EDECC5731B5869133ED790B34677CB2E7ACE97ADF0D85E6B3A29
arm64—DownloadDCFEC004BD7EFC46053B2516816AF61D8CCBB575F6B9FA6A5B4DE03281E0B857
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download7A69DC55E6B1C4D53D66C79B0CB2AC8F18F54446551F46BAC0B81BA43963FA06
x64—Download218FE92914E4317B0059919B90382A90075C317CB824896E63A696055213A286
arm64—Download70CC2CEAAE48CAA74974C3730511F304012CB152FED2B5927A0782A621554289
115.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadBC663312298662ED05C40015E0266DCE0BA10C7FF74452EB7D9FDCCB53767A88
x64—Download5C3312FAC4393259B597E8E000B3EC89D72AABA2DD81E5CAFD8685AD776D613A
arm64—DownloadD9CC8F41D5359F1C8C7B0B753F9E83567FEB6B58BFE93014953429ACF6B9D92D
115.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadB54F75C191F3A93515CD41D822AB312392E6B4A806510A605EE11558F4932058
x64—DownloadFDA369351A0A6894D5507FE7DC334FB918DEE8BCA58887432B8A577053D3C0C6
arm64—Download8BB33B0ACC4EAD67AE1E0F8211144A043619A31008F8CE117FC96D1B99690D37