Honda does not provide the software as a free public download; it requires a paid subscription through official portals like Honda TechInfo (ServiceExpress) honda tech info RJAAI001_TOOLS_DIAGNOSTIC.htm - Honda TechInfo
Honda is gradually migrating all diagnostics to (Internet HDS). Unlike the old standalone HDS, i-HDS requires continuous internet access and logs every diagnostic session to Honda’s servers. honda diagnostic system -hds- software package download