List of .NET Framework versions

The .NET Framework was first released in beta in November 2000 and development continues today. Each version of the framework has betas, final versions, service packs, and patches associated with it.

Table of .NET Framework versions

A detailed list of these versions is found in the table below. The table does not represent a complete listing of releases for the framework.

Version Name Version Number[1] Release Date Mainstream Support Retired Extended Support Retired Service Pack Retired
Pre-beta ?.?.????.? 2000-07-11
1.0 Beta 1 1.0.????.0 2000-11-??
1.0 Beta 2 1.0.2914.0 2001-06-20
1.0 RTM 1.0.3705.0 2002-03-05[2] 2007-07-10[3] 2009-07-14[3] 2003-03-19
1.0 SP1 1.0.3705.209 2002-03-19 N/A N/A 2003-08-07
1.0 SP2 1.0.3705.288 2002-08-07[4] N/A N/A 2005-07-21
1.0 SP3 1.0.3705.6018 2004-08-25[4]
1.1 RTM 1.1.4322.573 2003-04-01 2008-10-14[5] 2013-10-08[5] 2005-09-09
1.1 SP1 1.1.4322.2032 2004-08-25[6]
1.1 SP1 (Server 2003) 1.1.4322.2300 2005-03-30[6]
1.1 (KB893251) 1.1.4322.2310 2005-03-25
1.1 (KB927495) 1.1.4322.2407 2007-02-21
1.1 (KB953297) 1.1.4322.2443 2009-10-13
2.0 Beta 1 2.0.40607.16 2004-07-03
2.0 Beta 2 2.0.50215.44 2005-04-18
2.0 RTM (x86) 2.0.50727.42 2006-01-22[7] 2011-04-12[8] 2016-04-12[8] 2009-01-13
2.0 RTM (Vista) 2.0.50727.312 2007-01-30
2.0 (KB928365) 2.0.50727.832 2007-07-10
2.0 SP1 (x86) 2.0.50727.1433 2007-11-19[9] N/A N/A 2010-01-12
2.0 SP1 (x64) 2.0.50727.???? 2007-11-19[10] N/A N/A 2010-01-12
2.0 SP1 (Server 2008 and Vista SP1) 2.0.50727.1434
2.0 SP2 (installed with 3.5 SP1) 2.0.50727.3053 2009-01-16[11]
2.0 SP2 (x86) (installed with 3.5 Family Update) 2.0.50727.3082 2008-12-17[11]
2.0 SP2 (x64) (installed with 3.5 Family Update) 2.0.50727.???? 2009-1-26[11]
2.0 SP2 (Vista/Server 2008 - x86) (installed with 3.5 Family Update) 2.0.50727.???? 2009-1-26[11]
2.0 SP2 (XP, Server 2003 - Without 3.5 Family Update) 2.0.50727.???? 2009-1-26[12]
2.0 SP2 (KB974417) 2.0.50727.3603 2009-10-13
2.0 SP2 (KB976569) 2.0.50727.3607 2009-10-20
2.0 SP2 (KB983583) 2.0.50727.3615 2010-08-10
2.0 SP2 (Windows Vista SP2 / Server 2008 SP2) 2.0.50727.4016
2.0 SP2 (installed with Windows 7 RC) 2.0.50727.4918 2009-05-05
2.0 SP2 (installed with Windows 7 RTM) 2.0.50727.4927 2009-10-22 (General Availability)
2.0 SP2 (KB983590) 2.0.50727.4952 2010-08-10
3.0 RTM 3.0.4506.30 2006-11-21[13] 2011-04-12[14] 2017-11-04
3.0 RTM (Vista) 3.0.4506.26 2007-01-30
3.0 SP1 Beta 3.0.4506.590 2007-07-26
3.0 SP1 3.0.4506.648 2007-11-19[15]
3.0 SP2 3.0.4506.2123 2009-01-16[11]
3.0 SP2 (installed with 3.5 SP1) 3.0.4506.2254 2008-11-xx
3.5 Beta 1 3.5.20404.0 2007-04-19
3.5 Beta 2 3.5.20706.1 2007-07-26
3.5 RTM 3.5.21022.8 2007-11-20[16] 2011-04-12[14] 2018-10-04
3.5 SP1 Beta 3.5.30428.1 2008-05-10
3.5 SP1 RTM 3.5.30729.01 2008-11-18[17]
3.5 SP1 (Windows 7 Edition) 3.5.30729.4926 2009-07-13 2015-01-13[14]
4.0 Beta 1 4.0.20506 2009-05-20
4.0 Beta 2 4.0.21006 2009-10-19[18] (MSDN)

2009-10-21 (General Availability)
4.0 (Final) 4.0.30128.1 2010-02-10 (General Availability)
4.0.1 aka 4 update 1[19] 2011-04-18[20]
4.5 (Developer Preview) 4.5.40805 2011-09-13

References

  1. ^ "How to determine which versions of the .NET Framework are installed and whether service packs have been applied". Msdn.microsoft.com. http://msdn.microsoft.com/en-us/kb/kbarticle.aspx?id=318785. Retrieved 2011-02-18. 
  2. ^ "NET Framework Redistributable". Microsoft.com. http://www.microsoft.com/windows/netframeredist/download.mspx. Retrieved 2011-02-18. 
  3. ^ a b "Microsoft Support Lifecycle". http://support.microsoft.com/lifecycle/?p1=1248. Retrieved 2009-10-21. 
  4. ^ a b "How to obtain the latest .NET Framework 1.0 service pack". Support.microsoft.com. 2007-12-03. http://support.microsoft.com/kb/318836. Retrieved 2011-02-18. 
  5. ^ a b "Microsoft Support Lifecycle". http://support.microsoft.com/lifecycle/?p1=1249. Retrieved 2009-10-21. 
  6. ^ a b "How to determine which versions of the .NET Framework are installed and whether service packs have been applied". Msdn.microsoft.com. http://msdn.microsoft.com/en-us/kb/kb00318785.aspx. Retrieved 2011-02-18. 
  7. ^ "Download details: Microsoft .NET Framework Version 2.0 Redistributable Package (x86)". Microsoft.com. 2006-01-22. http://www.microsoft.com/downloads/details.aspx?FamilyID=0856EACB-4362-4B0D-8EDD-AAB15C5E04F5&displaylang=en. Retrieved 2011-02-18. 
  8. ^ a b "Microsoft Support Lifecycle". http://support.microsoft.com/lifecycle/?p1=8291. Retrieved 2009-10-21. 
  9. ^ "Download details: Microsoft .NET Framework 2.0 Service Pack 1 (x86)". Microsoft.com. 2007-11-19. http://www.microsoft.com/downloads/details.aspx?familyid=79BC3B77-E02C-4AD3-AACF-A7633F706BA5&displaylang=en. Retrieved 2011-02-18. 
  10. ^ ".NET 2.0 SP1 (x64)". http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=029196ed-04eb-471e-8a99-3c61d19a4c5a. 
  11. ^ a b c d e "Microsoft Download Center". Microsoft.com. http://www.microsoft.com/downloads/en/results.aspx?pocId=&freetext=.NET%20Framework%203.5%20family%20update&DisplayLang=en. Retrieved 2011-02-18. 
  12. ^ "Download details: Microsoft .NET Framework 2.0 Service Pack 2". Microsoft.com. 2009-01-16. http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=5b2c0358-915b-4eb5-9b1d-10e506da9d0f. Retrieved 2011-02-18. 
  13. ^ "Download details: Microsoft .NET Framework 3.0 Redistributable Package". Microsoft.com. 2006-11-21. http://www.microsoft.com/downloads/details.aspx?familyid=10CC340B-F857-4A14-83F5-25634C3BF043&displaylang=en. Retrieved 2011-02-18. 
  14. ^ a b c "Microsoft .NET Framework Support Lifecycle Policy". 2010-03-25. http://support.microsoft.com/gp/lifeandotnet. Retrieved 2010-06-10. 
  15. ^ "Download details: Microsoft .NET Framework 3.0 Service Pack 1". Microsoft.com. 2007-11-19. http://www.microsoft.com/downloads/details.aspx?familyid=EC2CA85D-B255-4425-9E65-1E88A0BDB72A&displaylang=en. Retrieved 2011-02-18. 
  16. ^ "Download details: Microsoft .NET Framework 3.5". Microsoft.com. 2007-11-20. http://www.microsoft.com/downloads/details.aspx?familyid=333325FD-AE52-4E35-B531-508D977D32A6&displaylang=en. Retrieved 2011-02-18. 
  17. ^ "Download details: Microsoft .NET Framework 3.5 Service Pack 1". Microsoft.com. 2008-11-18. http://www.microsoft.com/downloads/details.aspx?FamilyId=AB99342F-5D1A-413D-8319-81DA479AB0D7&displaylang=en. Retrieved 2011-02-18. 
  18. ^ "Visual Studio 2010 and .NET Framework 4 Release Candidate". Msdn.microsoft.com. http://msdn.microsoft.com/en-us/vstudio/dd582936.aspx. Retrieved 2011-02-18. 
  19. ^ http://support.microsoft.com/kb/2495593
  20. ^ http://blogs.msdn.com/b/endpoint/archive/2011/04/18/microsoft-net-framework-4-platform-update-1.aspx

See also

Architecture
CLI Languages
Common1
Other2
Components
Other implementations
Comparisons
Upcoming
Past
Tools
1 Languages that had been supported, is supported, or will be supported, in Visual Studio or .NET Framework.
2 Non-academic or research languages with relatively large user-bases.