Turn off "Microsoft consumer experiences" (Enterprise/Education) — via Microsoft Learn

Group Policy

Open gpedit.msc (Pro, Enterprise and Education only) and go to:

Computer Configuration > Administrative Templates > Windows Components > Cloud Content > Turn off Microsoft consumer experiences

Registry equivalent

Double-click a .reg file and confirm to merge it. Right-click → Edit first if you want to read it, which is always a good idea with any .reg file from the internet.

Apply

Windows Registry Editor Version 5.00

; Oddbyte.Me: Turn off "Microsoft consumer experiences" (Enterprise/Education)

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CloudContent]
"DisableWindowsConsumerFeatures"=dword:00000001

Undo

Windows Registry Editor Version 5.00

; Oddbyte.Me: undo Turn off "Microsoft consumer experiences" (Enterprise/Education)

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CloudContent]
"DisableWindowsConsumerFeatures"=-

Same thing from a command prompt

Run in an administrator Command Prompt or Terminal.

reg add "HKLM\Software\Policies\Microsoft\Windows\CloudContent" /v "DisableWindowsConsumerFeatures" /t REG_DWORD /d 1 /f

Undo:

reg delete "HKLM\Software\Policies\Microsoft\Windows\CloudContent" /v "DisableWindowsConsumerFeatures" /f

Microsoft's policy reference marks this as not applicable to Pro. Setting the value on Home or Pro is likely to do nothing; use the Settings toggles for suggestions instead.