The original game files are often unoptimized. A repack compresses these without losing quality, making the download much faster.
If the repack includes a .sfv or "Verify Files" tool, run it after installation to make sure no data was corrupted during decompression. night of revenge v107 dlis repack
It typically uses a "one-click" installer that handles registry entries automatically, preventing the common "DLL not found" errors. System Requirements The original game files are often unoptimized