with out set up.
Download Portable Calibre 32-64 bit Online (0.3 MB) 10/11/17
On first display screen, skip for up to date (or input: 1.48.0 for Windows XP)
Default Library in CalibrePortable, edit CalibrePortable.ini to modify (will have to be in similar force).
Settings of put in Calibre must be preserved.