PES European Product Manager, Adam Bhatti, has confirmed that the PC demo for Pro Evolution Soccer 2016 will be released on launch day. That means that PC gamers will be able to get their hands on it on September 17th.
OK just got news in. PC demo launches same day as the game, just got confirmation. I guess good news is u can test before purchase #PES2016
— Adam Bhatti (@Adam_Bhatti) September 14, 2015
Do note that the PC version of PES 2016 is considered as a hybrid of the current-gen and the old-gen versions of the game.