its in /idnet
There is also a link right on your getting started window and from the tools menu
http://sine.ni.com/apps/utf8/niid_web_display.model_page?p_model_id=20077
As the page says:
Where's my Application Development Environment (ADE)?
If you cannot find an instrument driver that supports your Application Development Environment (ADE), use an instrument driver converter:
"Should be" isn't "Is" -Jay