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