Nero Express Portable 2017 is a portable version of the popular Nero Express burning software. It's designed to be a compact, self-contained application that can be run directly from a portable storage device, such as a USB drive or CD/DVD. This means that you can carry your burning software with you wherever you go, without the need to install it on a specific computer.
Important note: Nero AG never officially released a "Portable" version. Any mention of "Nero Express Portable 2017" refers to custom builds created by third-party enthusiasts or software repackers. Nero Express Portable 2017
It left no "junk" files on the host computer. Nero Express Portable 2017 is a portable version
Always scan any portable executable with VirusTotal before running. Nero Express Portable 2017