Dear Players, It has come to my attention from another player on here that the link we have provided in order to make the the run on Windows 8 / 8.1 is broken. Please use Microsoft's official link here in order to install the Direct X runtime which will allow Gray Matter to run. http://www.microsoft.com/en-us/download/details.aspx?id=35 Thank You , Jason Carver Community Support at Encore Software.