Font Squirrel is the gold standard for legally free fonts. While their Chinese collection is smaller, they vet every file for licensing issues. If Hannotate SC Bold appears there, it is 100% safe for commercial use.
If you own a Mac or iOS device, the font is free to use for documents and personal projects within the Apple ecosystem.
If you are struggling to find a legitimate free version, try these 100% open-source alternatives that offer a similar bold, handwritten aesthetic:
: The family supports a wide range of characters, including Latin, Han (Simplified Chinese), Japanese, Cyrillic, and Greek. How to Get Hannotate SC Bold
Usually fine if the font is pre-installed on your OS.
: Unlike traditional fonts meant for print, Hannotate was specifically engineered for small digital screens (smartphones, tablets) to ensure legibility even when scaled.
If you need something with a bit more character, ZCOOL offers several free fonts that are cleared for commercial use, though they tend to have a slightly more artistic or handwritten feel compared to the stark modernism of Hannotate.