Autocad is a 3D design software and autocad 2013 free download is available in a single link. Download Autocad 2013 Free version For PC.
AutoCAD 2013 System Requirements
if you are looking what are minimum system requirements for AutoCAD 2013 then see below- Windows 7, Windows XP SP2 or later
- Intel Pentium 4 or Later
- 2 GB RAM
- 6 GB Hard Disk
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