For the first time, users could underlay PDF files directly into drawings with high fidelity. 2. The Concept of "Portable" Software
Because it lacks heavy background services, it often runs faster on older hardware. 3. System Requirements and Compatibility Portable.Autodesk.AutoCAD.2010
One reason users seek out the 2010 version is its relatively low footprint compared to current AutoCAD versions . For the first time, users could underlay PDF