: Right-click the .ttf or .otf file and select Install . For a mass fix, you can search for ".otf" or ".ttf" in the folder, use Ctrl+A to select all, right-click, and hit Install .
Once you successfully extract the collection, do not install all fonts immediately. Font files are notorious for being malware vectors if downloaded from shady sources. font collection download zip fix
Both Windows (File Explorer) and macOS (Archive Utility) have built-in unzip features, but they are basic. They often fail when a font collection uses advanced compression or nested folders. : Right-click the