用 PowerShell 查看安装的 .NET 框架

以下 PowerShell 代码最高支持 .NET 4.7 版本:

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Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -recurse |
Get-ItemProperty -name Version,Release -EA 0 |
Where { $_.PSChildName -match '^(?!S)\p{L}'} |
Select PSChildName, Version, Release, @{
name="Product"
expression={
switch -regex ($_.Release) {
"378389" { [Version]"4.5" }
"378675|378758" { [Version]"4.5.1" }
"379893" { [Version]"4.5.2" }
"393295|393297" { [Version]"4.6" }
"394254|394271" { [Version]"4.6.1" }
"394802|394806" { [Version]"4.6.2" }
"460798" { [Version]"4.7" }
{$_ -gt 460798} { [Version]"Undocumented 4.7 or higher, please update script" }
}
}
}

参考:

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