Teradata Vantage™ Express 20.00 is a free, fully-operational version of Vantage (Database Engine 20 only) virtual machine (VM) image with 80 GB storage.
Vantage Express is an evaluation copy, intended for trial use, and isn't officially supported by Teradata Services.
Teradata Temporal
Vantage Express includes Teradata Table Temporal Support that has the built-in capabilities you need in a temporal database management system. Teradata Temporal is preinstalled and configured. For more information, see Temporal Table Support, B035-1182 and ANSI Temporal Table Support, B035-1186.