I couldn’t find a verified, official download link for a font named “Glowen” in major font libraries (Google Fonts, Adobe Fonts, DaFont, Font Squirrel, etc.). It’s possible the name is misspelled, very new, or a custom/private font.
Commercial Use: If you are using the font for advertising, product packaging, or any project where you are being paid, you must purchase a commercial license.
: Often hosts designers who create these types of elegant, high-contrast serif fonts for branding projects. Alternatives if You Want a Literal "Glow"
If you are looking for specific variations (serif, sans-serif, or retro), consider these related styles: Create A Glow Effect In Illustrator | Tutorial