Open Design → Typography. Pick a heading font and a body font from 33 options: Inter, Space Grotesk, Syne, Outfit, Bricolage Grotesque, DM Sans, Manrope, Poppins, Montserrat, Sora, Urbanist, Rubik, Nunito, Comfortaa, Unbounded, Bebas Neue, Righteous, Playfair Display, Lora, Instrument Serif, Cinzel, Cormorant Garamond, Pacifico, Caveat, Permanent Marker, JetBrains Mono, Fira Code, Space Mono, IBM Plex Mono, VT323, Press Start 2P, Pixelify Sans, Silkscreen.
Inter, Bricolage Grotesque and JetBrains Mono are served from Linky. The others load from Google Fonts when your page is viewed.
Name, bio and link text sizes are set separately.