This document provides instructions for using ChiTuBox 3D printing software. It introduces the different types of resin 3D printers that are supported and guides the user through downloading and installing the software. The main sections of the software interface are then explained, including opening and manipulating models, setting slicing parameters, adding supports, and preparing prints for export. Functions like rotating, moving, and zooming models, as well as adjusting print settings and layer views are demonstrated.