The Account Status dialog box allows you to view information regarding you subscription as well as usage statistics:
The information that can be seen include the name and type of the subscription, the expiration date, and the personal information submitted by the user. Total usage statistics (per license) also appear here.
The unique compter ID that Plex.Earth creates for each machine it is installed on can be found here. The user can also assing a name to his workstation that will help manage licenses that are installed on multiple PCs. Finally the public IP of the machine (which might be asked when contacting support).