Download and install your client from the below.
Go to the Online Portal (link above) and create an account.
Add the ID of your installed client to your portal login (in the Address Book)
- There are 3 dots by the Tags menu where you can Add Client ID, or Add Tag
- If you add a Tag first, such as "Home", then you can add the client ID to that Tag
You need to have the client installed on the computer you are connecting FROM and TO
Then you can log into the portal and double click the client
Alternatively, you can (one you have an account created on the portal), log into the client address book.
The address book from the client will sync with the address book in your portal account