you could alsogo live on YouTubeoruse Facebook Liveto broadcast your gameplay.
We useOBS Studioand an Elgato HD60 S in the instructions listed below.
You will still be able to view your gameplay on your television set as usual with this setup.

Bailey Mariner / Lifewire
ensure your Nintendo Switch is in the dock.
Find the HDMI cable that runs from it to your TV.
This will feed the game footage to OBS Studio.

Plug the other end of this cable into the HDMI In port on your television set.
Here’s how:
Log into the official Twitch website and go to yourDashboard.
Select yourProfileicon, then selectAccount prefs.

Select theChannel and Videostab.
You will see a section calledPrimary Stream Key.
Press theCopybutton to copy your key to the clipboard.

In OBS Studio, go toFIle >parameters > Streamand check that Twitch is selected.
Then, and paste the key into the available field and pressOK.
OBS Studio will now broadcast to Twitch whenever you stream.

Right-click anywhere in OBS Studio and selectAdd > Video Capture unit.
Name this new layer something descriptive.
Every media source you add to OBS Studio will need its own unique layer.

From the dropdown menu, find your capture gadget and select it.
A box showing the live footage from your Nintendo Switch should appear in OBS Studio.
Like the Nintendo Switch footage, the webcam window can be resized and moved with your mouse.
you’re able to also use a microphone or headset with OBS Studio.
When you’re ready to begin broadcasting, press theStart Streamingbutton in the lower-right of OBS Studio.
It often files takedown requests on video websites based on copyright infringement.
Both rival consoles are completely open when it comes to streaming and require no registration.
FAQ
You’ll first need to enable oradd a Bluetooth adapterto your PC.
Then hold down the sync button on your controller tosync the Joy-Cons with your PC.
TheTwitch app for Switchis the way to go.
To set it up, go to theNintendo eShopand search forTwitch.
snag the app and then chooseFree Download.