You can access dotloop by clicking the myTransactions link in your myKW account within the e-Edge control panel. It will take you to a registration page, register with your kw email address. When logging into dotloop, if you have a blue and white account email: email@example.com, provide them your kw email address and let them know you are a KW agent. They will be able to grant your premium access for your kw account.
If you have any troubles, email firstname.lastname@example.org and I can further assist you.