The official NTLite software by Ntlitesoft is available in a free version for personal use, which natively includes a portable mode
NTLite is designed to be portable in that it runs without extra frameworks and can function offline. However, its premium features ntlite license key free portable
The "free portable" versions found on warez forums are often Frankenstein’s monsters. They are frequently wrapped in loaders that bypass the license check. In doing so, they often alter the binary code of the software. The official NTLite software by Ntlitesoft is available