02-06-2012 08:12 AM
Just click on the ? icon on the top-right portion of the main console and click on About this should provide you details about your Trend Micro program. If the program version is 3.0/3.1 that should be 2011 and if it is 5.0 then it should be 2012.
If you are using other versions, this link should be helpful:
02-06-2012 09:11 AM
I'm glad to have helped you out.