Without more information, I couldn't find any specific details on a plugin named "yqarch" for AutoCAD. If you're looking for a particular functionality, here are some steps you can take:
Getting YQArch to run is slightly different than a standard Windows program. yqarch autocad plugin free download hot
Method A: The VLX Method (Cleanest)
Method B: The Installer Method
Verification: You should see a new ribbon tab named "YQArch" or a purple toolbar on your screen. Without more information, I couldn't find any specific
Warning: Because YQArch is freeware, many download sites are riddled with fake "hot" links, adware, or outdated versions. Follow this safe guide. Method B: The Installer Method