Skia is not a standard system font for Windows. To use it legally, you may need to purchase a license from official font marketplaces such as MyFonts or Fonts.com. Is There a "Free Download"? Skia CC - Adobe Fonts
The original version allowed users to adjust sliders to transition seamlessly between "Thin" and "Black" weights.
It features open counters, a large x-height, and distinctly angled terminals that give it a clean yet organic look.