Where to find iText API to download and how and where to install it on my XP O.S to supply a NetBeans 8.0.2 IDE

Question

I\'m trying to use a NetBeans IDE (8.0.2 release) installed on a Windows O.S. (XP. I know, I know, I\'m laughable, but it\'ll do for me, as it has always done so far) to wri