Custom fonts in Windows can be used in XP-Builder while making an HMI program. When writing the program to the HMI, the font will then be transfered and displayed on the HMI panel.  Follow the below steps to install a custom font.

Before the below steps, download the font file, and put it in a folder you can easily access. Now you can locate the font file and do the below steps. 

After installing the font, open XP Builder and confirm it is listed as an available font.