Select > Extract Here (or "Extract to Arvicho de Descarga 5/"). Check for Parts:
If the files inside have names like data.bin or setup.exe , it is likely software. If they are .mp4 or .pdf , it is media or documentation. To give you a more specific guide, could you tell me: Archivo de Descarga 5.7z
If you aren't sure what is inside, you can "Peek" without fully extracting: Open the . Double-click the archive to see the file names inside. Select > Extract Here (or "Extract to Arvicho