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Thursday, 14 November 2013

How to : Determine Which .NET Framework Versions Are Installed

To find the installed .NET Framework versions manually (versions 1-4)

  1. On the Start menu, choose Run.
  2. In the Open box, enter regedit.exe.
    You must have administrative credentials to run regedit.exe.
  3. In the Registry Editor, open the following subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP
    The installed versions are listed under the NDP subkey. The version number is stored in the Version entry. For the .NET Framework 4 the Version entry is under the Client or Full subkey (under NDP), or under both subkeys.
    Note Note
    The "NET Framework Setup" folder in the registry does not begin with a period.

To find the installed .NET Framework versions manually (versions 4.5 and later)

  1. On the Start menu, choose Run.
  2. In the Open box, enter regedit.exe.
    You must have administrative credentials to run regedit.exe.
  3. In the Registry Editor, open the following subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
    Check for a DWORD value named Release. The existence of the Release DWORD indicates that the .NET Framework 4.5 or newer has been installed on that computer. The registry entry for the .NET Framework 4.5.