Win7 system installation CAD software prompts the lack of dfst.dll how to do?

1. Download the cad software and extract it. Double-click [setup.exe] to enter the installation step.
2. Click Install. You must install some support components before installing the simplified Chinese version 07CAD. Click OK to confirm. Install these support components yourself;
3, the next problem appears, the system prompts error 1308, the source file xxx.dfst.dll is not found, please confirm that the file exists and has access;
4, the actual solution Very simple, we only need to create a new txt document;
5, open a new text document, do not need to write anything, click on the file to select Save As.
6, click Save As, change the file name to dfst.dll, save the type to select all files, click Save;
7, then you will find that there are two small gear icons on the saved file. Place the file in the support folder under the root of the installer.
8, reload 07CAD.