Yes you can have LFS as a portable folder, but you'll have to activate your license everytime you plug your USB on a new system.
Quote from nacim :Yes you can have LFS as a portable folder, but you'll have to activate your license everytime you plug your USB on a new system. Not that much of a problem i think. Also it saves all of your settings.
Quote from drifter811 :Not that much of a problem i think. Also it saves all of your settings. You only get so many unlcoks and they restock at a slow-ish rate. You could run out of unlocks.