Downloading and playing the NES Top 100 Rom Pack REPACK is relatively straightforward. Here's a step-by-step guide:
Once you have verified a clean REPACK:
Do not "un-organize" the REPACK. The filenaming convention is often designed to work with playlist generators for RetroArch. Nes Top 100 Rom Pack REPACK
It is impossible to discuss without addressing legality. The ROMs in any Top 100 pack are almost exclusively copyrighted by Nintendo, Capcom, Konami, and other active rights holders. Downloading and playing the NES Top 100 Rom