If the software’s official website does not list version 67.4, it may be a fake. Always prefer the latest stable version from a trusted source.
There is no known software by that exact name from a legitimate developer (e.g., no GitHub project, no official website, no release notes on sources like Apache, SourceForge, or vendor update logs).
YQArch 6.7.4 is a comprehensive architectural and decoration design CAD toolbox for , developed by Source Design