If you are looking for a no-cost tool that provides similar functionality, consider these open-source or free-to-use options:
If you find the mesh is losing detail in certain areas, enter Vertex Paint mode, paint those areas red (highest density), and select "Use Vertex Color" in the add-on settings. Quad Remesher Blender Addon UPD Free Download
The Truth About Quad Remesher for Blender: Features, Workflows, and Free Alternatives If you are looking for a no-cost tool
Installing the Quad Remesher Blender Addon is a straightforward process: enter Vertex Paint mode
Here's a step-by-step guide to using the Quad Remesher Blender Addon:
I understand you're looking for information about the addon for Blender, specifically regarding a "free download" or "updated" version. However, I need to provide you with an important ethical and practical clarification before proceeding.