Select Language:. The Microsoft. NET Framework 4 web installer package downloads and installs the. An Internet connection is required during the installation. NET Framework 4 is required to run and develop applications to target the. NET Framework 4. Details Version:. File Name:. If the Full subkey is missing, then.
NET Framework installed. To determine whether a minimum version of. For example, if your application runs under. From the Start menu, choose Run , enter regedit , and then select OK. If the Full subkey isn't present, then you don't have.
If it exists, then you have. Its value corresponds to a particular version of. In the following figure, for example, the value of the Release entry is , which is the release key for. The following examples check the value of the Release entry to determine whether. 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. Need more help? Expand your skills.
Get new features first. Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Clear instructions. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. You may need the.
NET Framework 3. You can also use these instructions for earlier Windows versions. You may see the following configuration dialog if you try to run an app that requires the. Choose Install this feature to enable the. This option requires an Internet connection. NET Framework is created by Microsoft and provides an environment for running applications.
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