Disable News and Interests In Windows10 Using PowerShell:

# Run Powershell as admin and pass the commands:
Set-ItemProperty -Path HKCU:\Software\Microsoft\Windows\CurrentVersion\Feeds -Name ShellFeedsTaskbarViewMode -Value 2
Get-Process explorer | Stop-Process -Force

# Re-enable News and Interests (if needed)
Set-ItemProperty -Path HKCU:\Software\Microsoft\Windows\CurrentVersion\Feeds -Name ShellFeedsTaskbarViewMode -Value 0
Get-Process explorer | Stop-Process -Force