You can enhance the TVCenter feature set at any time via the INFORMATION folder in the SETTINGS menu.
#TVCENTER 6.4.9.1033 SERIAL INSTALL#
#TVCENTER 6.4.9.1033 SERIAL SERIAL NUMBER#
If you don't have a valid serial number anymore then you run the application in trial mode. For products that come without an installation disk the serial number is printed on page 1 of the "Download information and serial number" guide.