You don't need a portable version of NTLite itself. Instead, use this workflow:
: Supports hardware driver targeting and the ability to export drivers from an existing image or live installation for reuse. Disk Partitioning ntlite 2117917 business x64mlportable
NTLite is a powerful Windows configuration and customization tool. It allows users to modify Windows installation images (ISO files) or live operating systems. Instead of manually uninstalling apps and drivers after Windows is installed, NTLite lets you strip them out of the installation media before the first boot. You don't need a portable version of NTLite itself
: The "ML" in its name stands for Multi-Language, indicating that this version supports integration and deployment of Windows in multiple languages. This feature is particularly beneficial for businesses operating in global environments. ntlite 2117917 business x64mlportable