Hey aml1138,
Although National Instruments doesn't make any software that compiles Windows Help files (.chm or .hhp), there are a variety of help building programs available that are free as well as not. As far as free programs go, I have worked with Microsoft's HTML Help Workshop with success:
http://www.microsoft.com/downloads/details.aspx?FamilyID=00535334-c8a6-452f-9aa0-d597d16580cc&Displa...
However, if you're willing to shell out a few bucks for a program with a few more developers behind it and thus an increased ease of use, I have used FAR which was amazingly easy to use: http://www.helpware.net/FAR/
I hope this helps!
Lars L
National Instruments
Applications Engineer
