Speed manufacturing projects to market and optimize the digital prototyping process with Autodesk® Design Review software, the free,* all-digital way to share, review, mark up, and track changes to digital prototypes without the original creation software. Accurately measure, redline, and annotate DWF, DXF, and PDF files. Quickly review designs with a new, task-based ribbon interface. Add comments, track status, and drag informationproduct specifications, change orders, or estimatesinto one file. Import comments from DWF files into an Autodesk® design application, overlaying digital markups onto the original CAD file for fast revisions.