There seems to be some confusion about whether or not you need to upgrade your computer and/or video card to run X13.  The short answer is that most people probably don't.   Does your computer system meet our minimum system requirements?   Some people may not be able to run X13 on an older computer or one using an older graphics card even though it could run X12 perfectly fine.  X13 has an entirely new rendering engine that was written from scratch that has different system r