For 64-bit AutoCAD 2009:
Windows XP Professional x64 Edition or Windows Vista 64-bit
AMD® 64 or Intel EM64T processor
2 GB RAM
750 MB free disk space for installation
AutoCAD 64-bit cannot be installed on a 32-bit Windows operating system
Thank you for your help, support and steadying hand, the product is now installed and working. I am very satisfied with the product. (Norton AntiVirus 2005)
Robert Simpson, UK
Thank you very much. I was able to upgrade my windows98 computer to windows XP Professional. I will return to your web site for future purchases. Thanks
