Where it says go into edit mode, select all the bones, instead of Ctrl+N it will be Shift+N.
I don't know much about Blender, but! Blender Tutorial _ How to make realistic cloth physics to your MMD models in ble. When learning the modifiers available in Blender, I would advise making little use of ones like subsurface modifier as those are mostly used for high quality renders which are not necessary for MMD animation. Here are my other MMD in Blender tutorials. MMD is based on the Frame Register method of animation.
Nel link che vi sto per dare c’e’ anche una guida come installare il plugin per blender. A no cost account gives you access to five music downloads on a daily basis and conventional, lossy audio quality. Also keep in mind that all of the above is just for learning what tools are available in Blender and how to make good use of them.