You can download NTLite from the official website: https://www.ntlite.com/
NTLite is available as a portable application, which means you can run it directly from a USB drive or any other portable storage device without installing it on your system. This makes it easy to use on multiple machines without leaving any footprint.
You're looking for information on NTLite, a popular tool for creating custom Windows installations. Here's what I can share: