It is sensible to make note of a few important things before getting our hands dirty. Make it second nature to check how the changes made to the settings affect the site. Quite often settings you modify, or features you add, will not behave precisely as expected and without ensuring that you use a prudent approach to making changes, you can sometimes end up with a bit of a mess.
Changes to the site's structure (for example, adding new modules) can affect what is and isn't available for configuration so be aware that it may be necessary to revisit this section.
Click on Configuration in the toolbar menu. You should see something like the following screenshot:
A quick point to mention is that we aren't giving over much space ...