Since AutoCAD 2008 was designed for Windows XP and Vista, it often struggles with Windows 7’s User Account Control (UAC). Right-click the Setup.exe file on your installation media. Select > Compatibility .
If you encounter errors during a standard installation, follow these steps to bypass common roadblocks: autocad 2008 windows 7 64 bit 58
You must use the 64-bit version of the installer for a 64-bit OS. Since AutoCAD 2008 was designed for Windows XP