: Look for "Mirror" links on the original download page, as they often host alternative copies of the same files.
: Ensure all parts (Part01 to PartXX) have the exact same filename structure in the same folder before trying to extract them with tools like WinRAR or 7-Zip. download-age-empires-apun-kagames-part05-rar
If you are already using a multi-part download and part 05 is missing or corrupted: : Look for "Mirror" links on the original