通过cmd

reg query "HKLM\Software\Microsoft\NET Framework Setup\NDP" /s /v version | findstr /i version | sort /+26 /r

通过PowerShell

WindowsPowerShell> Get-WindowsFeature -Name NET-Framework*

Display Name Name Install State
—————— —— ——————-
[X] .NET Framework 3.5 Features NET-Framework-Features Installed
[X] .NET Framework 3.5 (includes .NET 2.0 and 3.0) NET-Framework-Core Installed
[X] .NET Framework 4.5 Features NET-Framework-45-Fea… Installed
[X] .NET Framework 4.5 NET-Framework-45-Core Installed
[X] ASP.NET 4.5 NET-Framework-45-ASPNET Installed