The software you need depends on your role and the device you are using.
Deciding can be confusing because Cisco has rebranded the software and offers different file types depending on whether you are an end-user or a network administrator. which anyconnect package to download
You typically need the Pre-Deployment Package . This is a standalone installer used to set up the client directly on your Windows, macOS, or Linux machine. The software you need depends on your role