Hello! First of all, this is a free open source donation based project. Can you better describe what is your issue? Also keep in mind that the version from Itch.io has another zip folder inside which is the one you should be installing through Blender. Regarding updated videos, they will come soon once v2 has all features finished. V1 and V2 of the tool are available in github as well and they both work with latest Blender versions.