Before configuring a remote access VPN, you must download the AnyConnect software packages from https://software.cisco.com/download/home/283000185 to your workstation. Ensure that you download the "AnyConnect Headend Deployment Package" for your desired operating systems. Later, you can upload these packages to Firepower Threat Defense (FTD) devices when defining the VPN.
Always download the latest AnyConnect version, to ensure that you have the latest features, bug fixes, and security patches. Regularly update the packages on the device.
Note You can upload one AnyConnect package per Operating System (OS): Windows, Mac, and Linux. You cannot upload multiple versions for a given OS type.