Install 32 bit AutoCAD Mechanical on 64 bit Windows

[Anonymous]

The installation of 32 bit AutoCAD Mechanical on a 64 bit version of Windows is not supported by Autodesk.

But some of you may have 3rd party software that will not install on a 64 bit installation of AutoCAD Mechanical. The process below will allow you to create a 32 bit installation on 64 bit Windows.



Step 1



Copy your installation files from the DVD to a directory on your hard drive.



Step 2



Download "Windows Server 2003 R2 Platform SDK Full Download" from Microsoft.com/downloads. For Vista download "Windows Server 2008 Platform SDK Full Download"



Step 3



Install downloaded software.



Step 4



Under "Program Files\Microsoft SDKs\Windows\(Version)\Bin" click on Orca.msi



Step 5



Start Orca (From Start Menu)



Step 6



Open \ACADM\x86\acad.msi (installation files on Hard Drive)



Step 7



Go to "installexecutesequence" table and delete "CheckFor64bitOS" condition



Go to "launchcondition" table and edit "VersionNT>=500 AND NOT VersionNT64" to "VersionNT>=500"



Step 8



Save acad.msi file.



Step 9



Open Setup.ini (Using Notepad) in installation root directory.



Delete "PLATFORM=NATIVE" in two locations: "Platform Requirement" & "ACM Integration"



Save Setup.ini file



Step 10



Open Setup.ini (using Notepad) in ACADM\x86\Setup



Delete "PLATFORM=NATIVE" in two locations: "ACAD" & "ACADM"



Save Setup.ini file



INSTALLATION CHANGES ARE NOW COMPLETE. Install 32 bit patches to update the product after application installation.