how do you set up a sound font to work with nwc
Check out this page from the Forum:
Using Soundfonts with SB Live! Cards and Accessing them from NWC
You can find it on the User Tips page. Should come up if you just paste the following address into your browser address bar, though.
https://forum.noteworthycomposer.com/?topic=2337
Try the site http://www.hammersound.net. There are many soundfonts there.