In CaseWare Working Papers, select File/ Options
Then select CaseWare Cloud and complete the Server and Label details as provided by your Cloud administrator.
If you already have access to the Cloud you may use the URL as the inputs e.g.
https://au.casewarecloud.com/FIRMLABEL/webapps/#login
Server = au.casewarecloud.com/FIRMLABEL
Label = FIRMLABEL