Minimal example (conceptual steps):
That is fine! OTF (OpenType Font) is often better than TTF. It supports more advanced typographic features (ligatures, swashes). If you need a TTF specifically, check if the ZIP contains both formats. If not, use an OTF to TTF converter (a real conversion tool) after extracting. zip to ttf converter
How Do I Convert A ZIP File To A TTF File? - Steam Community Minimal example (conceptual steps): That is fine