PMD Editor is a compact, but powerful tool to give MMD users the chance to create and edit their own models for use with MMD. For a long time, the near indecipherable Japanese user interface and strict technical requirements left many English users high and dry!
For most software, it's up to the user to provide the equipment and environment needed to run the program. If you can't do that, it won't run. But the problem lies in not knowing what those requirements are. I created this page (and this site) to help answer those kinds of questions.