... unzip the content of the folder "J-11 FC3 Theme" into your DCS root folder and overwrite.
The mod is JSGME ready.
The photo in the main menu is by Wan Quan (http://eng.mod.gov.cn/news/2018-09/26/content_4825705_3.htm).
The photo in the loading screen is by Zhang Shu (http://eng.chinamil.com.cn/view/2018-09/29/content_9301249_5.htm).
The photo in the briefing is by Yang Pan http://eng.mod.gov.cn/news/2018-09/26/content_4825705_14.htm).
All images are copyright of the Ministry of ...