The Shrew Soft VPN Client is a lightweight, open-source IPsec VPN client. It was originally designed for older Windows versions like Windows 7 and Windows 10. However, many network administrators still rely on it to connect to Cisco, Juniper, and Check Point gateways.
Windows 11 is not officially supported . The last major update was in 2013, targeting Windows 8. shrew soft vpn client windows 11