Edit envelopes 3ds Max

I’m trying to make a skin CSS for CSGO in 3ds max. I picked up a model of bone CSGO and put in a CSS model, i added the bones to the model. I have to edit all envelopes or has an easier the bones way to recognize the area of the model?

Look in this thread

Search for “rigging” and it should be the third result. Follow that guide there.