Open "This PC" location in Windows Explorer.


Click right mouse button on "This PC" and choose "Map Network drive" in contextual menu:


Select Drive letter and enter "https://dav.docboards.eu/" in Folder field, check Reconnect at sign-in and click "Finish" button:


In security dialog enter your docboards.eu username and password, check Remember my credentials and click "OK" button:


Depending on your Windows version disk might appear named as "DavWWWRoot".
In that case, click right mouse button on disk name and select rename in contextual menu:


Type "Docboards" as new name of mapped network drive and click "OK".
Browse "Docboards (Z:)" as any other disk on your computer.