Vehica comes with 800+ Google Fonts. You can simply choose it in your Vehica Panel > Typography. If you need to use custom fonts you will need to create custom solution. This solution has 2 steps:

1. Upload your font file on the server

2. Load new file via CSS

We will show it on example of Malgun Gothic downloaded from here: https://fontzone.net/

1. Lets download font here – https://fontzone.net/download/malgun-gothic

2. You will see malgun.ttf file

3. Lets rename file to mynewfont

4. Lets add this font to your WordPress /wp-content/ folder. You can do it e.g. via File Manager Plugin

5. Open plugin and add it to /wp-content/ (please do not keep in the WordPress root folder or in the Vehica theme. The best location is /wp-content/ )

6. Now you are ready to add this font via CSS to your website ( You can do it this way: How to add CSS code that is future update compatible )

@font-face {
  font-family: 'mynewfont';
  src: url('/wp-content/mynewfont.ttf') format('truetype');
}

body, button, input, optgroup, select, textarea, h1, h2, h3, h4, h5, h6 {
  font-family: mynewfont !important;
}

7. Your new font should be loaded across the website: