Actually, I just installed ACAD LT 2000 on my Windows 7 Ultimate 64-bit. The solution is so incredibly simple!!! The ReactOS website has an excellent explanation under the heading: INSTALLING 32-BIT PROGRAMS WITH 16-BIT SETUP LAUNCHER STUBS. See: It explains that 16-bit loader stubs initiate 32-bit install programs.
Older versions of AutoCAD are 32-bit programs and will run in Windows 7 64-bit OSs, but they used 16-bit installer stubs. Based on the information provided at the above referenced webpage, it is possible to identify the installer program for many AutoCAD versions as being an InstallShield installer. A 32-bit version of the installer is available here: Version 3 launcher replacement: Version 5 launcher replacement: (The version of launcher you have can be found by right-clicking on SETUP.EXE and clicking on the 'Version' tab.) You must copy your entire installation disk to a writeable directory or flash drive, and include the 32-bit setup in the same directory.
In Properties, set compatibility to Windows NT 4. Run the setup32.exe program. For me the programs installed without any problem. It worked for me on ACLT 95 and ACLT 2000. (ACLT 2000 was an upgrade and I had to install 95 first.) Hope it works for you.
Any program I pay $4000 for better work 10 years later!!! Actually, I just installed ACAD LT 2000 on my Windows 7 Ultimate 64-bit.
The solution is so incredibly simple!!! The ReactOS website has an excellent explanation under the heading: INSTALLING 32-BIT PROGRAMS WITH 16-BIT SETUP LAUNCHER STUBS. [snip] Any program I pay $4000 for better work 10 years later!!! Searcher1024, bless you!
Ever since we upgraded workstations at the office a few months ago I've been suffering through the 'XP Mode' solution of running ACAD2000 in a virtual machine, which has file storage issues, graphics bugaboos, and configuration headaches. All rubik's cubes. I just upgraded my computer at home with Windows 7 Professional 64 -bit, and idly wondered if anyone had figured out another way to do this.and lo and behold you figured it out. Thank you very much! Details of my install process: In my case, my AutoCAD Architectural Desktop 2 CD had the version 3 installer.
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I copied the whole CD to the hard drive, copied the new.exe overwriting the original setup.exe, and ran the new setup.exe (using Windows 2000 compatibility to run the install). While installing it gave me a minor error relating to dao3032.dll and dao350.dll, but they appear to have been installed so I'm not sure what the error was. It also was unable to create a Start Menu program group so I'll have to do that manually. Lastly, I went to run the program and it said the ac1st15.dll file was missing.but it was in the 'AutoCAD Shared' folder where it was supposed to be. I copied the entire contents of that folder into the main AutoCAD folder.and voila! It runs perfectly!
If any issues crop up once I start really using it, I'll come back and note them in another post. Edited January 21, 2013 by celing added config details. Actually, I just installed ACAD LT 2000 on my Windows 7 Ultimate 64-bit. The solution is so incredibly simple!!! The ReactOS website has an excellent explanation under the heading: INSTALLING 32-BIT PROGRAMS WITH 16-BIT SETUP LAUNCHER STUBS. See: It explains that 16-bit loader stubs initiate 32-bit install programs. Older versions of AutoCAD are 32-bit programs and will run in Windows 7 64-bit OSs, but they used 16-bit installer stubs.
Based on the information provided at the above referenced webpage, it is possible to identify the installer program for many AutoCAD versions as being an InstallShield installer. A 32-bit version of the installer is available here: Version 3 launcher replacement: Version 5 launcher replacement: (The version of launcher you have can be found by right-clicking on SETUP.EXE and clicking on the 'Version' tab.) You must copy your entire installation disk to a writeable directory or flash drive, and include the 32-bit setup in the same directory. In Properties, set compatibility to Windows NT 4. Run the setup32.exe program. For me the programs installed without any problem. It worked for me on ACLT 95 and ACLT 2000.