After installing the NWBC as described here first steps can be gone in the NWBC. Here is some information on how to start the NWBC for a defined system using a shortcut.
The first steps can be gone using the menu which looks very much like the one in NWBC, e.g. like this:
But there are other, interesting vavigation options in the NWBC.
For example the favorites, which can be reached here:
You can add favorites e.g. when navigating to an transaction and press the Add Favorites-Button.
Define the name you want to use and the subfolder the favorite belongs to.
You can also show the favorites from SAP GUI menu(needs to be activated in the personalization):
But the coolest and most efficient way from my point of view is just to start typing parts of the transaction name and get immeadiate proposals: