How to: Determine which Microsoft .Net Framework version and service pack installed?

This is one of our frequent question: How to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed? You can use the registry information below to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed.

.NET Framework

Service Pack Level

Registry Key Name

Value

4 - Client

Original Release

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client

Name: Version, Type: REG_SZ, Data: 4.0.30319.0

4 - Full

Original Release

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full

Name: Version, Type: REG_SZ, Data: 4.0.30319.0

3.5

Original Release

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5

Name: SP, Type: REG_DWORD, Data: 0

3.5

Service Pack 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5

Name: SP, Type: REG_DWORD, Data: 1

3.0

Original Release

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0

Name: SP, Type: REG_DWORD, Data: 0

3.0

Service Pack 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0

Name: SP, Type: REG_DWORD, Data: 1

3.0

Service Pack 2

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0

Name: SP, Type: REG_DWORD, Data: 2

2.0

Original Release

HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727

Name: SP, Type: REG_DWORD, Data: 0

2.0

Service Pack 1

HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727

Name: SP, Type: REG_DWORD, Data: 1

2.0

Service Pack 2

HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727

Name: SP, Type: REG_DWORD, Data: 2

1.1

Original Release

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322

Name: SP, Type: REG_DWORD, Data: 0

1.1

Service Pack 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322

Name: Install, Type: REG_DWORD, Data: 1

 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322

Name: SP, Type: REG_DWORD, Data: 1

1.0 (on supported platforms except for Windows XP Media Center and Tablet PC)

Original Release

HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{78705f0d-e8db-4b2d-8193-982bdda15ecd}

Name: Version, Type: REG_SZ, Data: 1.0.3705.0

1.0 (on supported platforms except for Windows XP Media Center and Tablet PC)

Service Pack 1

HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{78705f0d-e8db-4b2d-8193-982bdda15ecd}

Name: Version, Type: REG_SZ, Data: 1.0.3705.1

1.0 (on supported platforms except for Windows XP Media Center and Tablet PC)

Service Pack 2

HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{78705f0d-e8db-4b2d-8193-982bdda15ecd}

Name: Version, Type: REG_SZ, Data: 1.0.3705.2

1.0 (on supported platforms except for Windows XP Media Center and Tablet PC)

Service Pack 3

HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{78705f0d-e8db-4b2d-8193-982bdda15ecd}

Name: Version, Type: REG_SZ, Data: 1.0.3705.3

1.0 (shipped with Windows XP Media Center 2002/2004 and Tablet PC 2004)

Service Pack 2

HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{FDC11A6F-17D1-48f9-9EA3-9051954BAA24}

Name: Version, Type: REG_SZ, Data: 1.0.3705.2

1.0 (shipped with Windows XP Media Center 2005 and Tablet PC 2005)

Service Pack 3

HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{FDC11A6F-17D1-48f9-9EA3-9051954BAA24}

Name: Version, Type: REG_SZ, Data: 1.0.3705.3

Hope this helps.