powershell

getFolderSize.ps1

$fso = New-Object -ComObject scripting.filesystemobject
$f = $fso.GetFolder("C:\Users\Administrator\")
$folders = Foreach($folder in $f.SubFolders)
{
    New-Object -TypeName psobject -Property @{
            name=$folder.path;
            size=$folder.size
        }
}

$folders | sort size -Descending

<#
name                                                size
----                                                ----
C:\Users\Administrator\Application Data        509519511
C:\Users\Administrator\Desktop                 420809072
C:\Users\Administrator\Downloads               199597073
C:\Users\Administrator\Recent                     374818
C:\Users\Administrator\Cookies                     54266
C:\Users\Administrator\Start Menu                  36617
C:\Users\Administrator\My Documents                 6012
C:\Users\Administrator\Documents                    6012
C:\Users\Administrator\Links                        3674
C:\Users\Administrator\Favorites                    2940
C:\Users\Administrator\Searches                     1020
C:\Users\Administrator\Pictures                      504
C:\Users\Administrator\Videos                        504
C:\Users\Administrator\Music                         504
C:\Users\Administrator\SendTo                        454
C:\Users\Administrator\Contacts                      412
C:\Users\Administrator\Saved Games                   282
C:\Users\Administrator\.idlerc                       149
C:\Users\Administrator\Templates                       0
C:\Users\Administrator\PrintHood                       0
C:\Users\Administrator\NetHood                         0
C:\Users\Administrator\Local Settings                   
C:\Users\Administrator\AppData                                                                                             
#>