: While the protocol was not "included," a manual installation method was widely used for Windows XP Windows 7, 10, and 11 : There is no officially supported fix

There is no “Windows 11 fixed” version because Microsoft does not provide, nor will it ever provide, a signed, WDM-compliant NetBEUI driver for Windows 11. Any website claiming to offer a “NetBEUI installer for Windows 11” is either distributing malware, offering a user-mode proxy (which defeats NetBEUI’s low-level speed), or lying.

Open cmd > net view . If you see legacy machines, the fix worked.