Ntlite Portable -

It is important to note that the developer, Nlitesoft, primarily distributes NTLite as an installable application. A truly "official" portable version is often reserved for specific licensing tiers or enterprise needs. Users often create a portable version by extracting the installed files or by obtaining the specific portable release provided by the developer to licensed users.

NTLite Portable is a technically possible and useful configuration, but it is not officially provided as a separate download. Making your own portable copy is straightforward, yet you must accept the same admin and DISM dependencies as the installed version. ntlite portable

For most users: install normally.
For advanced technicians: portable is a powerful addition to a Windows deployment toolkit. It is important to note that the developer,

If you need step-by-step instructions for creating a tested, working portable NTLite USB drive (including folder structure, settings.xml pre-config, and license embedding), let me know. NTLite Portable is a technically possible and useful

If the portability limitations above are deal-breakers, consider these alternatives:

If your main OS becomes corrupted, you can boot a WinPE environment, plug in your portable NTLite drive, and immediately modify a fresh Windows ISO to install a stripped-down recovery image.