: You must download all parts of the archive (e.g., if there are 15 parts, you need every single one) and keep them in the same folder.
The file naming convention indicates that you are looking for a specific segment of a multi-part RAR or ZIP archive . The Legend of Zelda Skyward Sword HD (XCI).part...
If you are missing a specific "piece" because a download link is dead, you will usually need to find a different source that provides the entire set, as parts from different uploads are rarely compatible with one another. Are you seeing an when trying to extract, or : You must download all parts of the archive (e