You can delete the zip file after extracting it. Put the Custom Config.zip that you downloaded over here and extract it here.
Some games, like animal crossing, may run better on Ryujinx. So it is up to you to decide which one you want to use. Both of these are different emulators for the Nintendo switch and only one of them is required. There are two emulators: Yuzu and Ryujinx. We have a guide prepared for you to easily set up Yuzu Nintendo Switch Emulator for emulating Nintendo Switch games. So you don’t have to worry about waiting for a Nintendo Switch.
Whatever reason that you may have, you can easily set up an emulator for playing your favorite games. It could be that you just can’t find one anyways in your region because of their limited stock. Are you looking to buy a Nintendo Switch but spent all your money on a PC instead? Or maybe you can’t buy one because of all the scalped prices.