1:
Not sure what the minimum drive space is but it is very small if you:

2: choose the Minimum Install option, and run from USB drive.

System Requirements are here

3: Not sure, someone else will be able to advise more clearly

4: Yes, generally speaking. PG Music may allow you to register the program on more than one device owned and used by you.


BIAB & RB2025 Win.(Audiophile), Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors, AKG K271 Studio H'phones