You can access your license information and your Serial Number within the TAB - Help.
For differences see chapter Standard or Premium Plus Edition?
•Number of Computers which have a license - normally 1
•Demo version - if omitted, it is a full version
•Valid until (time limitation) - if omitted, it is a non time limited version
•Activation- either done or required
Your Serial Number
To retrieve your Serial Number:
•click on the + sign in the first line with the label All-In-One Protector
•click on the + sign with the label Activation Keys
The visible number is your Serial Number.
The update subscription entitles you to install the latest updates as long as it has not expired. See chapter Check for Updates how to download updates.
•Available / Not available
•Time limitation - the date when the update subscription expires