# This gets the space used for each item, in gigabytes
# You can copy/paste this first block directly into PowerShell
# first, the system temporary directory, which never gets cleaned out by anything.
"System Temp {0:N2} GB" -f ((Get-ChildItem -force -recurse C:\Windows\Temp | Where-Object{$_.CreationTime –lt (Get-Date).AddDays(-30)} | measure length -s).sum / 1Gb)
# Now, all users individual temp directories
"Users Temp {0:N2} GB" -f ((Get-ChildItem -force -recurse C:\Users\*\AppData\Local\Temp | measure length -s).sum / 1Gb)
# Then, Chrome's cache and Code Cache
"Chrome JS {0:N2} GB" -f ((Get-ChildItem -force -recurse "C:\Users\*\AppData\Local\\Google\Chrome\User Data\Default\Code Cache\js"| measure length -s).sum / 1Gb)
"Chrome Cache {0:N2} GB" -f ((Get-ChildItem -force -recurse "C:\Users\*\AppData\Local\\Google\Chrome\User Data\Default\Cache"| measure length -s).sum / 1Gb)
# Finally, Mozilla Firefox's cache
"Mozilla Cache {0:N2} GB" -f ((Get-ChildItem -force -recurse "C:\Users\*\AppData\Local\Mozilla\Firefox\Profiles\*\cache2" | measure length -s).sum / 1Gb)