Search your email archive for the original purchase confirmation, which contains the official download link and your activation serial number.
Before you even attempt to re-download or run the installer, perform these checks. They prevent 80% of common issues. turbocad deluxe 21 download fix
Select , choose Folder , and select the entire IMSI/TurboCAD installation folder (typically located in C:\Program Files\IMSI\ ). Search your email archive for the original purchase