ZBrushCentral

What to do after the HiRes?

5 subtools all detailed.
what is the next step to getting 1 UV map for all the tools?

I would like to make 1 mesh with all the detail from the sub tools, aad create a UV map for Normals and Texture.

you can merge subtools then select the merged tool - in uv master turn on groups then unrap.