2K released the official DEMO version of the 2016 October released Civilization VI strategy game in all regions. You can download the free demo from the Steam Store Page of the game and if you like it now you can get the game with 20% OFF.
2K also started a special sale with it’s PC games in the Steam where you can get nearly all the 2K released titles with special discounts. You can choose from the game with 20-30-75 but even with 80% OFF for a limited time. You can find the game list in here: http://store.steampowered.com/sale/2kpublishersale2017/