: The most straightforward and legal way to use AutoCAD 2008 is to purchase it. Although older versions might not be directly available for sale, you can still find them through resellers or directly from Autodesk.

AutoCAD 2008 is a popular computer-aided design (CAD) software developed by Autodesk. The 64-bit version, specifically designed for 64-bit operating systems, offers improved performance and memory handling. This version was released in 2007 and was a significant upgrade from its predecessors.

: This is a version of AutoCAD, a popular computer-aided design (CAD) software developed by Autodesk, released in 2007. It's compatible with 64-bit systems.

However, it's essential to note that using a product key to activate the software without purchasing it is considered piracy and may be against the terms of service.