During the first start of Quantower terminal you will get several elements of the platform, automatically created for testing purposes:
From this point, you can start using Quantower. Customize the workspace, open new panels. For sending trading orders you need to switch to other trading connection.
By default, you will be using Quantower platform in free version, where you have a limited functionality. The list of features, that available in FREE version you can find on a Pricing page of Quantower website.