DWG FastView Plus (version 1.0) is a software designed for viewing, editing, and sharing AutoCAD drawings. Its most important features include the ability to open and view various types of CAD files, including DWG, DXF, and DWF. It also allows users to measure distances, angles, and areas within a drawing and supports layer management, annotation, and markup tools. Additionally, it offers cloud storage integration for easy sharing and collaboration.