Drawing Compare plug-in owners qualify for a free upgrade when they upgrade to the latest version of TurboCAD.
To get the latest version of Drawing Compare, you first need your original serial number and activation code, provided with purchase. Next uninstall your older Drawing Compare for TurboCAD. Finally, download one of the following, depending on whether you are running the TurboCAD 32-bit version or the TurboCAD 64-bit version
Drawing Compare plug-in for 32-bit TurboCAD: http://downloads.imsidesign.com/Plug-ins/20/Drawingcompare.exe
Drawing Compare plug-in for 64-bit TurboCAD: http://downloads.imsidesign.com/Plug-ins/20/Drawingcomparex64.exe
You will be prompted for your serial number and activation code upon installation.