The keyword refers to an optimized, pre-activated portable version of Synthesia, a popular piano training software, bundled with an extensive collection of MIDI files and learning resources. This package allows users to run the full, unrestricted version of the software directly from a USB drive or local folder without a complex installation process.

It sounds like you're putting together a post for a community or a personal archive regarding Synthesia V0.8.2

The "W Portable" designation means the software has been modified to run without requiring a standard Windows installation.

To download and install Synthesia V0.8.2 - W Portable And Registered Learning Pack, follow these steps:

This suggests that the pack in question has been pre-patched. A typical "Portable And Registered Learning Pack" includes:

Caveats:

: Compatible with almost any MIDI file and can connect to digital pianos or lighted keyboards to synchronize the learning experience.