注册表查看.NET Framework版本号

Use the registry information below to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed.

To do this, following the steps below:

1. Click Start, type regedit in the Search programs and files box (click Run and type regedit in the Run Dialogbox in Windows XP), and then press Enter.
2. In the Registry Editor, locate the Registry Key Name in the table below and check the value for the related .NET Framework.
3. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP

 

 

 

https://support.microsoft.com/en-us/help/318785/how-to-determine-which-versions-and-service-pack-levels-of-the-microso

 

.NET Framework	Service Pack Level	Registry Key Name	Value
4 - Client	Any Version	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client	Install = 1
4 - Full	Any Version	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full	Install = 1
3.5	Any Version	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5	Install = 1
3.5	Service Pack 1 or Greater	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5	SP >=1
3.0	Any Version	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0	Install = 1
3.0	Service Pack 1 or Greater	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0	SP >= 1
3.0	Service Pack 2 or Greater	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0	SP >= 2
2.0	Any Version	HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727	Install = 1
2.0	Service Pack 1 or Greater	HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727	SP >= 1
2.0	Service Pack 2 or Greater	HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727	SP >= 2