: https://www.zyxel.com/support → enter your firewall model → Downloads → Tools & Utilities → SecuExtender.
The client is typically free to download, but a license may be required on your Zyxel firewall device to accept the connection, depending on your hardware model. zyxel ipsec vpn client download link
If you try to search for the old name on Zyxel’s support site, you may end up on outdated pages. that supports Windows 10/11 and macOS, offering better stability, multicast support, and IPv6 over IPSec. : https://www