[Kazun]

Код:

$allusers = "$env:ALLUSERSPROFILE\New1\New2"
$x86 = ${env:ProgramFiles(x86)\New3}
$x64 = "$env:ProgramFiles\New3"

Function Test-CorrectPath
{
	process
	{
		if (!(Test-Path $_))
		{
			md $_
		}
	}
}

$arch = Get-WmiObject Win32_Processor | Select-Object -Exp AddressWidth

switch($arch)
{
	64 {$allusers,$x86 | Test-CorrectPath;break}
	32 {$allusers,$x64 | Test-CorrectPath;break}
}