The settings menu contains but a single item: the volume slider. All the quick time event tooltips are in Xbox 360 controller icons - but you've only got a mouse and keyboard plugged in. The game runs like a fluffy rabbit swimming through treacle. Alt tabbing sends you to an unresponsive, flickering black screen hell.
Welcome to the terrible PC port.
What are the worst optimised PC games you've ever played? What games were clearly copy and pasted from their console origins? What games were unceremoniously dumped onto the PC and left for us, the community, to fix up? Come speak up in the comments, and to be clear, you can include any PC game, not just console ports.