Ensure file extensions match strictly ( .vmd , .pdb , .dcd ) before execution.

Search YouTube or NicoNico Douga for "VMD download" in description links.

Download scientific software exclusively from institutional .edu or .org domains.

Open MMD and load your target 3D character model ( .pmd or .pmx ). Click on from the top menu.

Which (Windows, Mac, Linux) are you using to run the files?