Installing AutoCAD Architecture 2006 on Windows 7, Windows 8 and Windows 10

Follow these instructions to solve issues around installing/running your old AutoCAD 2006 on newer versions of 64bit Windows 7, Windows 8 and Windows 10

IMPORTANT NOTE: Autodesk no longer supply License Activation codes. Once you have installed your AutoCAD (following the instructions below) you will need to authorize/activate your AutoCAD yourself, find out how by clicking here

How to install AutoCAD ADT 2006 

  1. Obtain your purchased copy of the Longbow Converter here
  2. Start the Longbow Converter tool
    1. Insert your AutoCAD CD into your CDRom drive
    2. select the 2nd tab named “Old AutoCAD Installer Reviver
    3. Using the “…” button, path the to your AutoCAD CD
    4. Click “Run Old Installer
      1. Read and follow all the prompts
      2. Once the AutoCAD setup starts, stop and read the next step…
  3. In the setup program, navigate through each setup dialog as normal, with these exceptions…
    1. When you click the Install link from your setup you may see a dialog box appear saying – “This program has compatibility issues
      1. simply check the “Don’t show this message again
      2. then click the “Run the program without getting help” button
    2. When you arrive at the installation folder path setup dialog, **it’s vitally important to make sure you install to c:\adt2006 (not Program Files (x86)\AutoCAD Architecture 2006)**.
  4. Once installed
    1. Do not reboot if asked to do so
    2. Make sure to fully close the setup program when the installation is complete.
    3. Back in the Converter app and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab
  5. Finally, reboot your PC and run your AutoCAD as normal
    1. NOTE: When starting AutoCAD, if you see a warning dialog when you run saying “This program has known compatibility issues
      1. Click “Don’t show this message again”
      2. then click “Run the Program…”

Install AutoCAD ADT 2006 Service Pack 1

  1. English Users, Download your English AutoCAD 2006 sp1 from here
    1. Non-English users, Download your language specific AutoCAD 2006 sp1 from here
  2. Now copy your newly downloaded sp (for English users the filename is adt2006swlsp1enu.exe) to folder path c:\Autodesk\sp
  3. Start the Converter, select the 3rd tab, pick the c:\Autodesk\sp folder and click Fix.
  4. Now run the adt2006swlsp1enu.exe from Windows explorer to install as normal.


– If your ADT menuing system does not appear correctly for some reason, start AutoCAD, type CUILOAD at the command line, pick Browse and navigate to %APPDATA%\Autodesk\ADT 2006\enu\Support, pick the adt.cui file, then click Load

– If you are unable to activate your product, or the activation process crashes:

– If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

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