download free fonts at:
https://www.reddit.com/r/Piracy/wiki/megathread/software/#wiki_.1F4D1_.279C_fonts

file formats

• Web Open Font Format (WOFF/2) woff2 is more modern, smaller file sizes.
• TrueType Font (TTF) older, general purpose use on most platforms.
• OpenType Font (OTF) is for designer stuff

figma fonts

sometimes designers might use a font you don't have installed.
You have to install a figma program which I forgot the name of, which lets figma use the fonts installed on your machine.
You have to install the font on your machine.

https://www.figma.com/downloads/ font installer

how to install font on mac: https://support.apple.com/guide/font-book/install-and-validate-fonts-fntbk1000/mac