AutoCAD 2020 introduced a significantly updated Dark Mode. While previous versions offered a dark color scheme, version 2020 optimized this across the entire interface, including the status bar, command line, and floating palettes. This was not merely an aesthetic choice; the reduction in blue light emission and contrast optimization was designed to reduce eye strain during extended usage periods, a critical factor for professionals working long hours.
To ensure you have a clean, functional copy of the software: Use the Autodesk Account Portal : Sign in at the Autodesk Account Management page to access your software downloads. Avoid "Install Now" : Many users find that using the "Browser Download"