Sets DisableThirdPartySuggestions = 1 under Policies\Microsoft\Windows\CloudContent. Stops Windows from recommending and seeding third-party (non-Microsoft) apps across Start, Settings, and the lock screen — the partner/promoted-app pipeline. Strong companion to DisableWindowsConsumerFeatures for a clean, ad-free shell. Reversible.
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/client-management/mdm/policy-csp-experience