You can find more information on the official website of the tool is: https://netbeans.org/
Apache NetBeans IDE is cross platform and can be installed on all OS that supports Java. NetBeans can be run on Windows, Linux, Mac OSX etc. You can find different versions of the Apache NetBeans in the below link:
Pick the latest release version and download it by clicking on the download button.
In this section, I would go through the steps to install on Windows platform.
Once you download the NetBeans bundle on to your computer.
Extract the bundle to your favorite location (say c:\ ).
That’s it your are done with the installation part.
Launch the IDE by double clicking the netbeans.exe under the bin directory.
On the start page you can learn and discover things, watch take a tour video, figure out what’s new with the latest version etc.