Install Blender mmd_tools add-on (by copying the mmd_tools folder into Blender's scripts/add-ons folder, then enable it in Blender's User Preferences). Import a BVH file into Blender.

When I hover my cursor over to the 'Import Model', it says it can also support '.pmx' or '.pmd' files. I've tried to import one mode to Blender, but it didn't work, I've done it again this time I ...