Powershell小技巧之查看安装的.Net framework版本信息

查看当前PowerShell的.Net运行版本

PS> $PSVersionTable.CLRVersion

Major Minor Build Revision
----- ----- ----- --------
4  0  30319 34014


PS> [environment]::Version

Major Minor Build Revision
----- ----- ----- --------
4  0  30319 34014

 查看所有安装的.Net 版本

PS> dir 'HKLM:SOFTWAREMicrosoftNET Framework SetupNDP' |
 sort-object name -Descending | 
 select-objec -ExpandProperty PSChildName

v4.0
v4
v3.5
v3.0
v2.0.50727
CDF

查看机器是否安装.Net 4.5

(Get-ItemProperty 'HKLM:SOFTWAREMicrosoftNET Framework SetupNDPv4Client' -Name Version).Version