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How to determine which versions and service pack levels of the Microsoft .NET Framework are installed

Article ID: 318785 - View products that this article applies to.

This article was previously published under Q318785

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Summary

This article describes how to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed.

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More information

Use the registry information below to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed.

To do this, following the steps below:

Click Start, type regedit in the Search programs and files box (click Run and type regedit in the Run Dialogbox in Windows XP), and then press Enter.

In the Registry Editor, locate the Registry Key Name in the table below and check the value for the related .NET Framework.

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Collapse this tableExpand this table

.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

Follow the deployment and detection guidance in this document: http://msdn.microsoft.com/en-us/library/aa480173.aspx
(http://msdn.microsoft.com/en-us/library/aa480173.aspx)

| | 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 (on 32-bit operating systems) | 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 (on 32-bit operating systems) | Service Pack 1 | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322 | Name: Install, Type: REG_DWORD, Data: 1
1.1 (on 64-bit operating systems) | Original Release | HKLM\SOFTWARE\Wow6432Node\Microsoft\NET Framework Setup\NDP\v1.1.4322 | Name: Install, Type: REG_DWORD, Data: 1
| | HKLM\SOFTWARE\Wow6432Node\Microsoft\NET Framework Setup\NDP\v1.1.4322 | Name: SP, Type: REG_DWORD, Data: 0
1.1 (on 64-bit operating systems) | Service Pack 1 | HKLM\SOFTWARE\Wow6432Node\Microsoft\NET Framework Setup\NDP\v1.1.4322 | Name: Install, Type: REG_DWORD, Data: 1
| | HKLM\SOFTWARE\Wow6432Node\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

Recommended Deployment Detection
To detect the existence of a specific .NET Framework version regardless of the Service Pack level, or to detect a service pack level or a later service pack level of the same .NET Framework version, use the registry information that is listed in the following table.

Click here to view or hide detailed information

Collapse this tableExpand this table

.NET Framework | Service Pack Level | Registry Key Name | Value
4 - Client | Any Version | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client | Install = 1
4 - Full | Any Version | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full | Install = 1
3.5 | Any Version | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5 | Install = 1
3.5 | Service Pack 1 or Greater | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5 | SP >=1
3.0 | Any Version | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0 | Install = 1
3.0 | Service Pack 1 or Greater | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0 | SP >= 1
3.0 | Service Pack 2 or Greater | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0 | SP >= 2
2.0 | Any Version | HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727 | Install = 1
2.0 | Service Pack 1 or Greater | HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727 | SP >= 1
2.0 | Service Pack 2 or Greater | HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727 | SP >= 2
1.1 | Any Version | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322 | Install = 1
1.1 | Service Pack 1 or Greater | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322 | SP >= 1
1.0 | Any Version | HKEY_LOCAL_MACHINE\Software\Microsoft\.NET Framework\Policy\v1.0 | Name: 3705, Type: REG_SZ, exists
1.0 (on supported platforms except for Windows XP Media Center and Tablet PC) | Service Pack 1 or Greater | HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{78705f0d-e8db-4b2d-8193-982bdda15ecd} | Version >= 1.0.3705.1
1.0 (on supported platforms except for Windows XP Media Center and Tablet PC) | Service Pack 2 or Greater | HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{78705f0d-e8db-4b2d-8193-982bdda15ecd} | Version >= 1.0.3705.2
1.0 (on supported platforms except for Windows XP Media Center and Tablet PC) | Service Pack 3 or Greater | HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{78705f0d-e8db-4b2d-8193-982bdda15ecd} | Version >= 1.0.3705.3
1.0 (shipped with Windows XP Media Center 2002/2004 and Tablet PC 2004) | Service Pack 2 or Greater | HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{FDC11A6F-17D1-48f9-9EA3-9051954BAA24} | Version >= 1.0.3705.2
1.0 (shipped with Windows XP Media Center 2005 and Tablet PC 2005) | Service Pack 3 or Greater | HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{FDC11A6F-17D1-48f9-9EA3-9051954BAA24} | Version >= 1.0.3705.3

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References

For more information about the benefits of the .NET Framework, click the following article number to view the article in the Microsoft Knowledge Base:
829019
(http://support.microsoft.com/kb/829019/ )
Benefits of the Microsoft .NET Framework

For more information about Microsoft’s currently supported products, visit the Microsoft Product Support Lifecycle
(http://go.microsoft.com/fwlink/?LinkId=164675)
website.

For more information about the Windows registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Windows registry information for advanced users

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Properties

Article ID: 318785 - Last Review: December 24, 2012 - Revision: 30.0

Applies to

Microsoft .NET Framework 1.0

Microsoft .NET Framework 1.1

Microsoft .NET Framework 2.0

Microsoft .NET Framework 2.0 Service Pack 1 (x86)

Microsoft .NET Framework 2.0 Service Pack 2

Microsoft .NET Framework 3.0

Microsoft .NET Framework 3.0 Service Pack 1

Microsoft .NET Framework 3.0 Service Pack 2

Microsoft .NET Framework 3.5

Microsoft .NET Framework 3.5 Service Pack 1

Microsoft .NET Framework 4

Keywords:

kbdownload kbinfo kbsetup KB318785

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