AutoCAD：ObjectARX所有版本下载地址

2014（32位和64位版本） 
ObjectARX 2014 SDK
ObjectARX 2014 帮助文档
2013（32位和64位版本） 
ObjectARX 2013 SDK
ObjectARX 2013 帮助文档

2012（32位和64位版本）
http://download.autodesk.com/esd/objectarx/2012/ObjectARX_2012_Win_64_and_32Bit.exe
2011（32位和64位版本）
http://download.autodesk.com/esd/objectarx/2011/ObjectARX_2011_Win_64_and_32Bit.exe
2010（32位和64位版本）
http://download.autodesk.com/akdlm/esd/dlm/objectarx/ObjectARX_2010_Win_64_and_32Bit.exe
2009（32位和64位版本）
http://download.autodesk.com/esd/objectarx/2009/ObjectARX_2009_Win_64_and_32Bit.exe
2008
32位版本：
http://download.autodesk.com/esd/objectarx/2008/ObjectARX_2008_32Bit.exe
64位版本：
http://download.autodesk.com/esd/objectarx/2008/ObjectARX_2008_64Bit.exe
2007 
－Core 
http://download.autodesk.com/esd/objectarx/2007/Arx_Core.exe 
－SDK 
http://download.autodesk.com/esd/objectarx/2007/Arx_All.exe 
2006 
－Core 
http://download.autodesk.com/WebPub/autocad/oarx2006/Arx_Core.exe 
－SDK 
http://download.autodesk.com/WebPub/autocad/oarx2006/Arx_All.exe
2005 
－Core 
http://download.autodesk.com/WebPub/Developer/autocad/Arx_Core2005.exe 
－SDK 
http://download.autodesk.com/WebPub/Developer/autocad/Arx_All2005.exe 
2004 
－Core 
http://download.autodesk.com/WebPub/autocad/oarx/arx_core.exe 
－SDK 
http://download.autodesk.com/WebPub/autocad/oarx/arx_sdk.exe 
2002 
－Core 
http://download.autodesk.com/pub/objectarx/objectarx_2002/K030.arx.plus.core.zip 
－SDK 
http://download.autodesk.com/pub/objectarx/objectarx_2002/K030.arx.plus.all.zip 
2000 
－Core 
http://download.autodesk.com/pub/objectarx/ObjectArxCore.exe 
－SDK 
http://download.autodesk.com/pub/objectarx/ObjectArxSDK.exe 
R14 
－SDK 
http://download.autodesk.com/Pub/developer/sdk/obarxsdk.exe