The YQArch 6.7.4 plugin is a widely used third-party architectural tool for AutoCAD designed to automate repetitive tasks and streamline design workflows. Key Features of YQArch 6.7.4

Navigate to the extracted folder, enter the yqarch folder, and then the sys (or SIS) folder.

Find the file named install.vlx (or setup.exe) and drag and drop it directly into your AutoCAD drawing area. Click "Always Load" when prompted by the security warning. Method B: Manual Path Setup Copy the extracted yqarch folder to your C: drive. In AutoCAD, type OPTIONS in the command line. Go to the Files tab > Support File Search Path.

Select AutoCAD Version: A dialog box will appear (often in Chinese). Select your version of AutoCAD and click the first button to install.

or install file directly into the AutoCAD workspace and click Key Features and Usage Language Setup