Click the Download button to save installation package.
Locate the download file anyconnect-linux64-#.#.#####-core-vpn-webdeploy-k9.sh.
Most browsers save files to the a Downloads folder by default.
Open Terminal and issue the command:
sudo bash anyconnect-linux64-#.#.#####-core-vpn-webdeploy-k9.sh
You have successfully installed the Cisco AnyConnect Secure Mobility Client to /opt/cisco/anyconnect and it is now ready for use.
To launch using Terminal issue the following command:
/opt/cisco/anyconnect/bin/vpnui