Do you have your ready, or are you looking to trial a newer version of the software?
can provide links for older software if you can provide your serial number and product key. Autodesk Community, Autodesk Forums, Autodesk Forum Installation Prerequisites (64-bit)
To download AutoCAD 2011 64-bit, you'll need to visit the Autodesk website or a trusted software repository.
To run AutoCAD 2011 64-bit, your system should meet these minimum specifications :
. Since AutoCAD 2011 is significantly older, it is no longer hosted on standard public download portals. Autodesk Community, Autodesk Forums, Autodesk Forum Official Retrieval Methods
Here are some direct download links for Autodesk AutoCAD 2011 64-bit:
For those who need light editing without a heavy desktop installation.