Remove Windows Insider Program Page contains the registry files to hide the Windows Insider Program page found in Start > Settings > Update & Security. You can also manually edit the registry.
Download Remove Windows Insider Program Page and extract the two files.
Double-click 'Windows Insider Program Page - Remove.reg' or 'Windows Insider Program Page - Add.reg' (Default).
Click Yes when prompted by User Account Control. Click Yes when prompted by Registry Editor.