Look at the last page in the official manual https://www.sound-machines.it/cms/wp-content/uploads/2015/11/NS1nanosynth-manual-1.0.pdf
Connect cables as the patch shows. Select midi output 1 in the midi host (pc) and start to play.
When you want to advance, read other threads in this forum about ns1. You can also have allot of fun with digipots.
Have a nice tripp.