: The modern .NET Framework 4.x engine natively included with Windows 10 does not feature backward compatibility with code compiled explicitly for versions 1.1 through 3.5.
Open PowerShell and run: Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full' | Get-ItemProperty | Where-Object $_.Release -ge 0 | Select-Object PSChildName, Release net framework version 205727 for windows 10 exclusive
