Download and install AnyConnect app via App Store: https://apps.apple.com/us/app/cisco-anyconnect/id1135064690
Open AnyConnect app then tap Allow for notifications (optional).
Tap Connections.
Enter the following settings:
Description: (any name would do)
Server Address: se-sto.ipdatafone.net
*you'll find the server list here.
Tap Save.
Toggle AnyConnect VPN.
Tap Allow to proceed.
Enter your PrivateVPN registered email address for the username.
Enter your VPN password.
Connection Success!