Font

Fonts are a collection of character symbols used to display text. Changing the font used by Emacs will alter the visual appearance of text characters.

Customize

Buffer

To customize the font used inside a particular buffer...

Sessions

To customize the font used for one or more sessions on a single Emacs installation, use M-x customize-face. Typically you will want to modify the default face.

.emacs.d

Fonts can also be configured inside .emacs.d elisp scripts. ...