The font (Universal Design Digital Textbook Bold) is a specialized Japanese typeface designed by Morisawa Inc. to improve readability and accessibility in educational settings. Unlike standard stylized fonts, it emulates the natural flow of handwriting—resembling a pencil or felt pen—while adhering to Japan's 2016 accessibility requirements for persons with disabilities. How to Download and Install UD Digi Kyokasho NK-B

You likely already have this font if you are using a modern Windows system. It was introduced as part of the package and remains a standard feature in Windows 11.

If you don't see it in your font list, you can add it through the Optional Features menu: Open Settings > Apps > Optional Features . Click Add a feature .