: You will need software like 7-Zip (free) or WinRAR .
Do you have the corresponding file in the same folder as this one? 7z.001 7z.002 7z.003 help please - SourceForge NKMWJYI9UW.7z.002
: Ensure you have all the numbered files (e.g., NKMWJYI9UW.7z.001 , NKMWJYI9UW.7z.002 , and any others) in the same folder . : You will need software like 7-Zip (free) or WinRAR
: Right-click on the first file in the sequence (the one ending in .001 ) and select "Extract Here" or "Extract to...". The program will automatically detect the other parts (like .002 ) and combine them to extract the full file. NKMWJYI9UW.7z.002