I think all these Ai systems are actually algorithm driven systems Algorithms are held in Programable Array Logic(PALs) or Pin Grid Arrays(PGAs) so that's Hardware  not Software. At least that's how I see it of course I've been out of the Industry for a while so who knows what they have come up with nowadays I haven't kept up with Hardware and Software development.

If you can install  these their just limited programs like any other App. True Ai is a learning program eventually and quickly it would eat up all the RAM it could find bye bye PC

Remember...No matter where you go there you are