How can I add data from the USGS National Map server to ArcMap Desktop? 

Specific goal is to load data and processed products like 3DEP hillshades from the [TNM Download](https://apps.nationalmap.gov/downloader/#/) without having to download it locally, make a hillshade, etc.

I think I need the raster.nationalmap.gov service (http://raster.nationalmap.gov/arcgis/services), but I keep getting connection error after a long delay.

I am following the [USGS instructions here](https://www.usgs.gov/media/videos/using-national-map-web-services-arcmap) although I am not certain if this is what I need for 3DEP hillshades.

[![enter image description here][1]][1]

Using ArcMap 10.7 on Windows 10


  [1]: https://i.sstatic.net/CB1Yr.png
  [2]: https://i.sstatic.net/sEiWH.png