(traditional) cwTeX Q Ming
cwTeX Q Ming Ti (中明體) is a traditional Chinese font that is free to download and you can use it in your commercial works. Consists of 5 different font styles, cwTeX fonts were created by Tsong-Min Wu and Tsong-Huey Wu under the GNU General Public License Version 2 or later. And in 2014, the fonts was released under Open Font License.
Free for personal and commercial use.
Once landed on the Google Drive, you will see 4 files. Click on the bottom link (which is the latest version) to start the download. It includes all 5 different fonts from cwTeX.