To get the playable .xci file, you must follow these steps according to Ziperto's FAQ :
: The software will automatically pull data from part2, part3, and so on to reconstruct the full .xci file. XCDE-NSwTcH-XCI-Ziperto.part3.rar
: Right-click only on the first part ( .part1.rar ) and select "Extract Here" using WinRAR or 7-Zip . To get the playable
: Place every part in the same directory on your computer. To get the playable .xci file