I'm planning to be an a professional multi-media artist in the distant future and I've been looking at devices to further my occupation. One of which would be a drawing tablet. I feel that it is where I'm headed and it'll simply be a big help. Anyway, I've also been thinking of buying a laptop, Windows, along with it, including a drawing software. Now, I would like to know that if I buy or download a software on a tower, can I upload it into a USB drive, upload that software onto the laptop, and still have it be as functional or compatible as it would be on the tower?