Enable Google Cast
Supported on: Microsoft Windows 7 or later
Registry
HKLM
Software\Policies\Google\Chrome HKCU
Software\Policies\Google\Chrome Value name: EnableMediaRouter
Enabled: EnableMediaRouter = 1
Disabled: EnableMediaRouter = 0
Description
Setting the policy to Enabled or leaving it unset turns on Google Cast, which users can launch from the app menu, page context menus, media controls on Cast-enabled websites, and (if shown) the Cast toolbar icon. Setting the policy to Disabled turns off Google Cast.