Q: The opening movie and tutorial videos don't play properly, even though the system requirements are met. (Steam®)

A: Please install the VP9 codec by installing the "VP9 Video Extensions" from the Microsoft Store available at the following web page:
https://apps.microsoft.com/store/detail/vp9-video-extensions/9N4D0MSMP0PT


If the measure above does not improve the situation, please refer to the following support page:
https://support.koeitecmo.info/hc/en-us/articles/23603078799513