A dark gray model space became the default, and the traditional dot grid was replaced by modern horizontal and vertical gridlines.
AutoCAD 2011 introduced several tools that defined modern drafting workflows: Autodesk AutoCAD 2011 -64-bit-
Despite its advantages, AutoCAD 2011 (64-bit) had notable drawbacks: A dark gray model space became the default,
Building on previous versions, AutoCAD 2011 improved the Action Recorder, allowing users to automate repetitive tasks without needing to know programming languages like AutoLISP. Additionally, PDF underlay capabilities were improved, allowing users to attach PDF files directly to their drawings as reference material, snapping to the geometry within the PDF. AutoCAD 2011 improved the Action Recorder
Before installing AutoCAD 2011 64-bit, ensure your system meets the minimum requirements: