[Kazun]

Код:

for /f "delims=" %%i in ('
 powershell "Get-WmiObject Win32_Product | Where-Object {$_.Name -match """Silverlight"""} | Select -ExpandProperty Version"
') do echo %%i

или

Код:

for /f "delims=" %%i in ('
 powershell "Get-WmiObject Win32_Product | Where-Object {$_.Name -match 'Silverlight'} | Select -ExpandProperty Version"
') do echo %%i