Disables the Cortana assistant via the AllowCortana policy. The search box still works for local search.
MaxTweaks applies this tweak with one click and snapshots your original setting first, so you can revert it cleanly at any time. A System Restore point is offered before batch changes, and every tweak links to its official source.
Get MaxTweaksOfficial documentation: https://learn.microsoft.com/en-us/windows/configuration/cortana-at-work/cortana-at-work-policy-settings