I tried the Far Cry demo and it worked o.k for me,your system specs are more than adequate so maybe you got a glitch during the download as often happens with some of these game demos as they are quite large downloads.
The Evil Within 2 review-in-progress
Photoshop CC 2018 released with new Curvature Pen and better brush tools
Camera tips to take better iPhone photos
Les meilleures applications de covoiturage 2017