How do I log in to my Windows Control Panel (WSP) - https://www.smallbusiness.host/clients/knowledgebase/31/How-do-I-log-in-to-my-Windows-Control-Panel-WSP.html
Once you're logged in, you just need to click on File Manager
Then click on the link that has your domain (e.g; customerdomain.co.uk)
Then click on the tick next to wwwroot
Then, give the .zip file a name and click Zip.
The next step is to click on the zip file in the list of files that appear. This will download the content of your website.