Powerdirector uses the windows system fonts.
So, get the font and install it for windows. Then you can use it for PowerDirector, too.
Hatti
Win 10 64, i7-4790k, 32GB Ram, 256 GB SSD, SATA 2TB, SATA 4TB, NVidia GTX1080 8GB, LG 34" 4K Wide, AOC 24" 1080