EZNEC Pro+ version 7.0 is now public domain and free. Many thanks Roy !!!
You can download the program at EZNEC or here
If you prefer EZNEC Pro+version 6 Click here
Also the Table of Contents and the Index might be useful with using the hardcover Click here
Starting Modeling with EZNEC Chapter 2 AAM Tutorial: An introduction for the novice EZNEC user
A document about installing and using the external NEC-5 and NEC-4 engines Click here
Consult regularly this web page
The NEC-4 or the NEC-5 External engines or contact LLNL
Take Note: NEC5GI.exe does not work with Windows 11, see also here
However, NEC5CL_X13 with EZNEC Pro2 v7 is OK!