Converting a ZIP file to TTF (TrueType Font) is essentially an extraction process
If you are on a Chromebook or a public computer, use an online tool. zip to ttf file converter
A Zip to TTF file converter is a useful tool for designers, publishers, and typographers who need to access font files stored in a Zip archive. Several online and offline tools are available, both free and paid, offering varying levels of functionality and support for different font formats. Converting a ZIP file to TTF (TrueType Font)