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The installation files available here are the very latest for all supported AutoCAD platform versions. These files are for licensed customers only. To obtain a product license, please visit our Marketplace.


Version 22.0.0 released 8/03/2021

Remote Dispatch

Version 2.0.1 Released 10/27/2020


  1. Download and extract the installer from the .ZIP file to a temporary location.
  2. For existing users, please uninstall the previous version before installing the new version.
  3. Double click and run the .MSI file which will initiate the installation process. Do not attempt to run the installer from within the .ZIP file.
  4. If presented with a Microsoft Defender protection message, click on More info and select Run Anyway.
  5. Review and agree to the EULA, and then follow the remaining prompts to finish the installation process.

Acquire a License Key

  1. Subscription & Trial license keys can be acquired from our Builder/LBM Solutions Marketplace or be emailing
  2. Trial License keys can also be acquired from within the LotSpec License Wizard by clicking on the “Request Trial License” button.


  1. Open Autodesk AutoCAD and select the “Always Load” option when prompted.
  2. When the license activation dialog appears, copy and paste your license key into the Activation Key field and click Activate. An internet connection is required to activate the product.
  3. Upon successful activation, click the Close button to resume the AutoCAD startup.
  4. After opening or creating a new AutoCAD project, the LotSpec tab will become available in the AutoCAD ribbon interface.
  5. In some cases, the LotSpec tab may not appear immediately after installation. If this happens, type MENULOAD, unload the LotSpec customization group, and restart AutoCAD.

Visit our Download Archives page for access to legacy installation files.