A portable version of a software tool does not require a traditional installation process. It stores all its settings and configuration files in its own folder rather than the Windows Registry or user application folders.

PE Explorer is a specialized utility designed to open, view, and edit the structure of .EXE , .DLL , and .SYS files. The "Portable" moniker refers to a version configured to run from any folder or removable media.

If you meant something else by (e.g., a typo, a different tool, or an academic assignment prompt), please clarify the specific audience, length, and technical depth you need. I can then regenerate a more targeted paper.