WMS

First choose Scale and Coordinate System from the Map menu to set the map scale.

Choose WMS - Web Map Service from Background Map menu.

Add a WMS Server and click Connect.

Choose Edit to edit the WMS server properties:

Choose a WMS Layer from the list and Add Selected Layer as WMS Layer (online) or Add Selected Layer as background maps (offline).

Close the dialog box. You can manage the view by choosing Manage from the Background Map menu.

One possibility to display the map: