POWER SHELL - GET LIST OF ALL SOFTWARES IN SYSTEM AND MEMORY SIZE.

gci -force 'C:\Program Files'-ErrorAction SilentlyContinue | ? { $_ -is [io.directoryinfo] } | 

 % {

$len = 0

gci -recurse -force $_.fullname -ErrorAction SilentlyContinue | % { $len += $_.length }

$_.fullname,

 '{0:N2} GB' -f ($len / 1Gb)

 }