AnyConnect is "free" and it should have come on a CD with your hardware. SmartNet on your hardware will entitle you to download the client as well as any updates via the Cisco website. If the CD is gone try opening a TAC case, they should send you the client.How to install the Cisco AnyConnect VPN client?
Install the VPN client Download the Cisco AnyConnect VPN for Windows installer. Double-click the InstallAnyConnect.exe file. When a message saying the Cisco AnyConnect client has been installed, click OK.How does Cisco AnyConnect work?
Remote and mobile users use the Cisco AnyConnect Secure VPN client to establish VPN sessions with the adaptive security appliance. The adaptive security appliance sends web traffic to the Web Security appliance along with information identifying the user by IP address and user name.