License tab is responsible for displaying:
To activate the system you must click "Activation ..." – "From File", select the file key.bin (usually sent via email after purchasing the product), and click "OK". After this Work Examiner services will automatically restart and the product will be activated.
Note: If you’ve purchased the product, Work Examiner Team will send you an activation key only after receiving your HardwareID code (HID). HID is a unique id of your computer. If you change the server – send a new HID code to support and get new key.