For practice purpose I installed 15.0 utilities from below -
and then select TTU windows install
(i'm not able to paste the link so i typed it... i think, i'm missing some think to copy and paste in fourums)
Just wanted to add, see the IP of your demo server (could be 14, 14.10 or 15) create the DSN in your local machine. (I faced problem when i was using localtd as my host name as of TD 13). So just wanted to mention.
Yes you can install vmware player and download the teradata demo VMware images and play them in your system to practice.