How to determine net framework version installed

This code returns True if it's installed and False otherwise. Use the RegistryKey. OpenBaseKey and RegistryKey. If the app you're running is bit and running in bit Windows, the registry paths will be different than previously listed. For example, the registry subkey for. To be forward-compatible, check for a value greater than or equal to the value listed in the.

NET Framework version table. The following example checks the value of the Release entry in the registry to find the versions of. Add the directive using Microsoft. Win32 or Imports Microsoft. Win32 at the top of your code file if you haven't already done so.

Each version of. NET Framework from 1. The following table lists the path to each. NET Framework version. NET Framework 3. Open the subkey that matches the version you want to check.

Use the table in the Detect. 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. You can see both the SDK versions and runtime versions with the command dotnet --info. You'll also get other environmental related information, such as the operating system version and runtime identifier RID. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info.

Contents Exit focus mode. How to check that. Is this page helpful? Please rate your experience Yes No. Any additional feedback? All 2. All] Microsoft. App 2. NET Framework 3. Figure 1 depicts the folders containing the files for multiple. The informations related to the. Figure 2 depicts the registry keys for multiple. Table 1 provides a list of the stored values according to each installed. NET Framework version. 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 listed Table 2. Table Environment class, as in the following C code snippet. If you compile this program with the.