The Twitch key itself can be found in your dashboard, inside the Settings - Stream tab.

The most basic way to begin a stream test is to add a ?Bandwidthtest=true to your Twitch key.

Here you will find all the required instructions on how to start a stream test.

First of all, visit Twitch Inspector - it is your personal page with your streaming settings.

Let’s quickly check out how to start a test stream on Twitch. With it, you will be able to understand how well you are prepared for upcoming streams and do you meet all necessary streaming requirements. Twitch understands the importance of test streams and offers content-makers a dedicated testing tool.

Test streams will make pre-streaming preparations much easier. You shall complete several important preparations, check both hardware and software equipment, and be 100% sure that everything will go smoothly when you start a stream. However, some things are a must for any type of streamer, whether you just spend your time playing games with friends or creating unique live events.

Twitch teststream