The pack include:
PES 2017 Startscreen
BBC vs GGC vs MSN PES 2017 Startscreen
(GGC is created by players of Atletico Madrid: Griezmann, Gameiro, and Carrasco)
How to Install:
Move the CPK file into the folder “steamapps\common\Pro Evolution Soccer 2017\download\”, then choose one of CPK file and add an entry for it in your existing DpFileList.bin or generate a new DpFileList.bin containing this entry.
Credit: SUAT CAGDAS.