: Right-click on the first file in the sequence ( MTMTV.7z.001 ) and select "Extract Here" or "Extract to..." .
: Download and install a tool like 7-Zip or WinZip .
: Ensure you have every numbered file in the sequence, starting from MTMTV.7z.001 through MTMTV.7z.005 .
: All parts must have the exact same filename prefix ( MTMTV.7z ) followed by their specific part number.