Founder Type occasionally offers of their fonts, including some weights of Lantinghei. These trial fonts are fully functional but may have limited character sets or include watermarks for commercial testing. Visit the official Founder Type website (方正字库) and search for “Lantinghei Heavy” to see if a trial download is available.
While you cannot legally "free download" Lantinghei TC Heavy as a standalone product from a third-party site, you have excellent legal options. If you own a Mac, you already have it. If not, the open-source Noto Sans CJK TC Heavy delivers 95% of the visual impact for 0% of the legal risk. Always respect font licenses—they are software, and designers depend on that income to create the next generation of beautiful type.
Many users search for “lantinghei tc heavy font free download” specifically because the Heavy weight is not as commonly pre-installed as the Regular or Light versions. Here is why designers love it: