The Shrew Soft VPN Client remains a popular choice for legacy IPsec connectivity, though using it on Windows 11 requires specific considerations due to its age and driver requirements.
Windows Key + I to open Settings.Shrew Soft has not received a major update since roughly 2013. This lack of modern support leads to several critical issues on Windows 11: Driver Conflicts shrew soft vpn client windows 11
If your IT department provided a Shrew Soft config ( .sec ) or Cisco PCF file: Navigating the Past: Running Shrew Soft VPN Client