In ArcGIS PRO you can connect to the wms using a layer file.
1. Click on
Catalog Pane.
2. Make sure you have mapped gisdata as a network drive: \\gis.slu.se\gisdata
3. Browse to the folder below and you will find useful wms's from Lantmäteriet. (The Swedish Land Survey)
4. Right click the layer of choice and click "Add to Map".