Registration also means you do not need to worry about losing your FL Studio Box code. One license will work with all existing FL Studio installations (for both Windows and mac OS), purchased plugins and sample packs.
You can unlock FL Studio with your account login at any time, anywhere there is Internet access. Enter your Image-Line account email and password on the About Panel to unlock FL Studio. You will usually need to update your license when you are installing a major revision (a good habit).
...\Users\[your computer account]\Documents\Image-Line\FL Studio\Settings\Mapping\Generic\ - These are your Permanent Global Link data files.
It contains your custom controller to GUI and Plugin interface links.
Shared data folder - Has been renamed to User data folder.