The SHIELD’s versatility and speed set it apart from similar devices on the market. It’s a streamer, game console, DVR, media server, and smart home hub with voice assistants. It’ll make even the most demanding user proud. Read the official pages here.
Out of the box the Shield comes with several great Apps and functions for gaming and playing all kinds of media.
If you have a different kind of Android box it will no doubt have it's own set up procedures but a lot of what is covered on this site may still be relevant.
Once you've explored the manufacturer supplied set up, and you have got used to the way it works, you may want to learn more about adding new Apps and making customisation changes of your own.
See the Quick Start page to learn easy ways of making some popular customisation changes.
See the Apps page for some notes of experiences with different Apps.
See the Tips page that explains some of the options and controls for using your device that you might find handy.
Remember there is no substitute for looking round the web for current posts, especially the helpful videos that can be found on YouTube.