See that are open-source (like Google Fonts) Check if it's available for web-use (CSS) What are you planning to use it for?
Have you successfully downloaded and used the Septimus font? Share your experience in the comments below—and tell us which project you used it for. septimus font free top download
If Septimus is not available for free or you're looking for something similar, consider exploring other fonts that offer a comparable aesthetic. See that are open-source (like Google Fonts) Check