You can download the Septimus regular font from the following sources:

is a commercial font designed by David Nalle for Scriptorium [10, 13]. While you can find download links on third-party sites, these are often for personal use only or may not be official [5]. Where to Download

If you need a free-to-use alternative that captures a similar classic or "old-world" aesthetic, consider these commercially licensed options: : A serif font with a vintage feel.