G'Day Brunton, Have you looked on the booklet That is in the DVD case it usually has a sticker on it with the numbers you require.
Hope this helps and welcome to Trainz.
Regards
Barrie
G'Day, If you have TRS2010 or TRS2009 there is a booklet which is in the DVD case, the sticker is on the booklet, I have both in front of me and that is where it is on mine.
Regards
Barrie
You need to regester the CD Key. If it is a reinstall click profile above and you will be taken to your prfile with all your keys. If it is a new install why is the book 800 miles away