Despite search results for "free download," Hiragino Sans W0 is not a free, open-source font. It is a commercial product created by SCREEN Graphic Solutions. Licensing terms typically allow installation on only one computer per license.
Developed jointly by Google and Adobe, Noto Sans CJK is the premier open-source Japanese font family. Hiragino Sans W0 Font Free Download
If you need a similar high-quality Japanese sans-serif font for free, consider these open-source options: Despite search results for "free download," Hiragino Sans
Using unlicensed fonts in commercial projects can lead to hefty fines. Despite search results for "free download