http://www.playgm.cn/forum.php?mod=viewthread&tid=766336 (【云吞面】东亚汉字文化圈（中日韩朝）人员汉化补丁) for those who want to translate player names into simplified Chinese.
How to install this league expansion in Football Manager 2016
- Extract the contents of the downloaded .zip file using a free tool such as 7-zip or The Unarchiver.
- Move the extracted .fmf files to the following location:
Documents / Sports Interactive / Football Manager 2016 / editor data
Create the "editor data" folder if it doesn't exist.
- Open FM 2016 and start a new save-game with the databases of your choice selected.
- It's highly recommended to disable "Do not Add Key Staff" and enable "Add Players to Playable Teams" in advanced options.