All PowerShell Versions
Do you own Windows 8.1 Basic, Pro, or Enterprise? Finding out the Windows version is easy. Finding out the exact subtype is not so trivial.
At best, you may get the SKU number which tells you exactly the Windows version you have, but it’s again not trivial to translate back the number to a meaningful name:
PS> Get-WmiObject -Class Win32_OperatingSystem | Select-Object -ExpandProperty OperatingSystemSKU 48
A better way may be this line which returns a clear text description of the license type you are using:
PS> Get-WmiObject SoftwareLicensingProduct -Filter 'Name like "Windows%" and LicenseStatus=1' | Select-Object -ExpandProperty Name Windows(R), Professional edition
Another approach could be this which will include the major Windows version as well:
PS> Get-WmiObject -Class Win32_OperatingSystem | Select-Object -ExpandProperty Caption Microsoft Windows 8.1 Pro