appears to be a resource pack or toolset associated with MuraTPG (also known as Mura_TPG), a digital artist and hobbyist known for creating 3D character models and ports . Who is MuraTPG?
Unzip the folder to a dedicated directory on your computer. MuraTPG_Blender.zip
Providing rigged models for other artists to use in their own renders. appears to be a resource pack or toolset
Releasing .zip files containing .blend models, textures, and sometimes custom scripts to assist with model setup. What is likely inside the .zip? MuraTPG_Blender.zip