get-itemPropertyValue returns the value of a named property of an item. get-itemProperty is related, but returns a psCustomObject that happens to have the properties with the same names as being requested with get-itemPropertyValue. set-itemPropertyValue. get-itemPropertyValue can be used to get these items' property-values such as creationTime, lastAccessTime, attributes etc. get-itemPropertyValue $env:temp creationTime
get-itemPropertyValue is especially useful to return one ore more values that are stored under a registry key. get-itemPropertyValue 'hklm:\SOFTWARE\Microsoft\Windows NT\CurrentVersion' currentBuild
get-itemPropertyValue 'hklm:\SOFTWARE\Microsoft\Windows NT\CurrentVersion' releaseId, systemRoot