Right-click and select (Windows) or double-click and choose Install Font (Mac).
To understand the substitution, you have to understand the source. DaFont has always been the Wild West of typography. It is a lawless land where "hot dog" fonts and gothic calligraphy live side by side. font substitution will occur dafont 2021
Troubleshooting "Font Substitution Will Occur" with DaFont (2021) Right-click and select (Windows) or double-click and choose