You didn't specify which DAW you're using, we have dedicated guides for different DAWs in our Knowledge Base. Here's the general one: How to Create Multiple Outputs in KONTAKT and Route Them to a DAW
You can look for your DAW if it's covered in our KB or not.
Hi, you should be able to just add the number of outputs you need under quantity, then set the number of channels to 2 (makes the outputs stereo), then set the host output to st 1/2 [1], and select delete existing channels.
From there, you should see your new channels and you can rename them and assign your kick, snare, etc.