How to sync Nintendo Switch controllers with your system, so that up to eight people can play at once

To sync a Nintendo Switch controller, you'll need to go into the "Change Grip/Order" menu on your console. There, you can add up to eight controllers.
IGN

Nintendo Says Switch 2 GameCube Controller Will Work With Non-GameCube Games, but There May Be 'Issues'

Nintendo has clarified compatibility concerns around its all-new GameCube controller, confirming there may be "issues" using it to play contemporary Nintendo Switch 2 games. Nintendo has now clarified ...
Rolling Stone

The Best Nintendo Switch 2 Gaming Accessories, From the Pro Controller to the Joy-Con 2 Wheel

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. If you’re lucky enough to pick up the Nintendo Switch 2 ...