Installation:

1/ Download the .zip addon file 

2/ Then open Blender and from the menu, go to "Edit -> Preferences -> "Add-ons" -> "Install"

3/ Metaballify addon will appear on the list of addons, search it and activate it.

Location of the the interface: 3d viewport > Object mode > Livemesher

Get started:

1/ To start a session of Livemesher, press the "Launch" button.

2/ Select the meshes that you want to convert, and press the " Remesh" button .

You can add a new mesh at any time during a session, but you will have to press this button again to properly apply conversion.

3/ Preview button show you the preview of remeshing.In preview mode, you can't move parts, it is just for visualization.

4/ Edit mode let you edit your parts

5/ Voxel size setting let you adjust fidelity of the remeshing

6/ If you press Apply, the remeshing is applied. You can sculpt your mesh.