Which Versions of The .NET Framework Are Installed

This online Which Versions of The .NET Framework Are Installed tool help end users to determine whether the .NET Framework present on a system. This tool determine which versions of the .NET Framework are installed and whether service packs have been applied.

No .Net Framework detected or unable to detect.

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Which Versions of The .NET Framework Are Installed

Before administrators can deploy Windows Presentation Foundation (WPF) applications on a system that targets the .NET Framework, they must first confirm that the .NET Framework runtime is present. This online Which Versions of The .NET Framework Are Installed tool help administrators to determine whether the .NET Framework present on a system.

How this work: When the .NET Framework is installed, the MSI adds ".NET CLR" and the version number to the UserAgent string. This online tool searches the UserAgent string to determine whether the .NET Framework is installed, and displays a status message on the results of the search.

.NET Framework Result
No .Net Framework detected or unable to detect. Please follow the instruction below to manually find out which versions of the .NET Framework are installed on your system.

Following section describes how to determine which versions of the Microsoft .NET Framework are installed. This article also helps you determine whether any .NET Framework service packs are installed.

.NET Framework version	Revision	Version
3.5	Original release	3.5.21022.8
3.5	Service Pack 1	3.5.30729.1
3.0	Original release	3.0.4506.30
3.0	Service Pack 1	3.0.4506.648
3.0	Service Pack 2	3.0.4506.2152
2.0	Original release	2.0.50727.42
2.0	Service Pack 1	2.0.50727.1433
2.0	Service Pack 2	2.0.50727.3053
1.1	Original release	1.1.4322.573
1.1	Service Pack 1	1.1.4322.2032
1.1	Service Pack 1*	1.1.4322.2300
1.0	Original release	1.0.3705.0
1.0	Service Pack 1	1.0.3705.209
1.0	Service Pack 2	1.0.3705.288
1.0	Service Pack 3	1.0.3705.6018
*The Microsoft .NET Framework 1.1 is included with the 32-bit version of Windows Server 2003.

Note This information should be used as a general guide for determining which versions of the .NET Framework are installed on a computer. Be aware that files that have a later version number may be files that were included in a hotfix or a hotfix rollup package. These versions are outside the scope of this article.

How to determine which versions of the .NET Framework are installed

To determine which versions of the .NET Framework are installed, locate the %systemroot%\Microsoft.NET\Framework folder. To open this folder, you can paste this address into a Windows Explorer address bar. The following folders contain the released versions of the .NET Framework:

v3.5
v3.0
v2.0.50727
v1.1.4322
v1.0.3705

Note If you see other folders that have a vN.N.NXXXX format, they may contain beta versions or pre-released versions of the .NET Framework. Those versions are outside the scope of this article.

To determine which versions of the .NET Framework are installed on a computer, follow these steps:

Open any one of the folders in the previous list.
Right-click the Mscorlib.dll file, and then click Properties.
Click the Version tab, and then note the file version.
Use the previous list to determine which version of the .NET Framework is installed on the computer, and then click OK.

Repeat these steps for each version of the .NET Framework on the computer.

Online Which Versions of The .NET Framework Are Installed Information:

Purpose of this Tool : Detect Microsoft .NET Framework, Deploying Windows Presentation Foundation (WPF)
Intended Audience : System Administrators, .Net Developers, Software Developers, .Net Winform Application Developers

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