Check .net framework version installed vista

NET Framework 1. The following figure shows the subkey and its Version value for. Use the Microsoft. NET Framework is versioned separately. There are two ways to detect the version of the. Version property to detect the version of the CLR. Instead, query the registry as described in Detect.

Query the Environment. Version property to retrieve a Version object. The returned System. Version object identifies the version of the runtime that's currently executing the code.

It doesn't return assembly versions or other versions of the runtime that may have been installed on the computer. NET Framework versions 4, 4. For the major release identifier for example, 4 for version 4. Major property. For the minor release identifier for example, 0 for version 4. Minor property. For the entire version string for example, 4.

ToString method. This method returns a single value that reflects the version of the runtime that's executing the code. It doesn't return assembly versions or other runtime versions that may be installed on the computer. The following example uses the Environment. Version property to retrieve CLR version information:.

Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Net framework. If yes - what will happen if I install. TIA - Lori. Wednesday, April 22, PM. Lori, The. NET Framework and Jave are 2 totally separate things. You can have one without the other, both, or none. It's like having Acrobat Reader and Excel on your machine.

So that isn't a problem. NET framework - and it is entirely possible with valid reasons no less to have all of them installed on your machine. NET framework MS. NET framework 1. NET framework 2. NET framework 3. Ok, so how do you get it? Just use windows update to go to the update site and have it scan your computer. Use the advanced option to see what it wants to install, and make sure that the.

Only run this assembly or executable on computers that have. An executable that targets. NET Framework, such as. The user will be prompted to install. In addition,. The principle described applies to any app that targets a later version of. NET Framework than the one installed on the system on which it's running. Some changes in.

NET Framework may require changes to your app code; see Application Compatibility before you run your existing apps with. For more information about installing the current version, see Install the.

NET Framework for developers. For information about support for the. NET Framework, see. NET Framework official support policy on the. NET website. NET Framework versions 2. These versions represent successive layers of a single installation.

Each version is built incrementally on top of the earlier versions. It's not possible to run versions 2. When you install version 3. NET Framework 4 ends this layering approach, and it and later releases. Starting with. NET Framework 4, you can use in-process, side by side hosting to run multiple versions of the CLR in a single process. For more information, see Assemblies and Side-by-Side Execution.

In addition, if your app targets version 2. NET Framework version, use the registry information that listed Table 2. Table Environment class, as in the following C code snippet. If you compile this program with the. At the command prompt type the following. Running the tool with no options displays all installed CLR versions. Office Office Exchange Server. Not an IT pro? United States English.