get installed .NET versions.ps1

ls "hklm:\SOFTWARE\Microsoft\NET Framework Setup\NDP" | clip | notepad
# press ctrl-v once notepad opens. :)

# alternate version:
ls "hklm:\SOFTWARE\Microsoft\NET Framework Setup\NDP" >$env:temp\dotnet_ver.txt
ls "hklm:\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" >>$env:temp\dotnet_ver.txt
notepad $env:temp\dotnet_ver.txt