Following are details about folders present in your downloaded package - documentation: Quick User Guide for installation and update of Smart Hospital. licensing: GPL license files. smart_hospital_src: Main source code files required to install Smart Hospital version 4.0. smart_hospital_update_3.1_to_4.0: Contains update package files for updating previous version 3.1 to new version 4.0 . For help and support, feel free to contact us https://smart-hospital.in or open support ticket at our support portal https://support.qdocs.net or email us support@qdocs.net . Thanks for using Smart Hospital QDOCS Team