This is Sameer from Kabul, Afghanistan. I am working in an international organization as a deputy data manager. I have more than a decade of working experience in data management and as well as a database. Previously I was using CSPro for generating databases for the various and huge surveys conducted by the national and international organizations. As the current employer is using ODK I need to know all about this amazing software, though, I have used ODK Xls, ODK build, ODK Collect and ODK briefcase and my only problem are with ODK aggregate that how to install, configure and use it.