HWF creates folders at 'C:\Users\All Users\Theropods' or 'C:\ProgramData\Theropods', saving it settings to the latter even after I tried copying the 'settings.conf' file to the program folder. But considering that said settings are just the first run date and whether to automatically check for updates or not, I'd say that HWF is mostly portable.
Many useful features in Windows 7 are hidden. These features can be enable by editing Windows registry. Manual editing of registry is long and not so easy process. With Hidden Windows 7 Features hidden features are available with one click.
The latest Hidden Windows 7 Features (currently v1.3.0) can be downloaded from https://www.theropods.co.uk/download.