On paper, some download portals like FreeDownloadManager list the client as supporting "the latest Windows 11". However, these claims are at odds with the wealth of user reports and technical analyses online. A deeper look reveals that Windows 11's driver model changes lead to fundamental incompatibilities.
If you encounter issues with Shrew Soft VPN Client on Windows 11, several solutions have been reported to work: shrew soft vpn client windows 11
What are you connecting to? (e.g., Cisco, SonicWall, Fortinet) shrew soft vpn client windows 11