Sign in to the Windows Live application management site (https://apps.dev.microsoft.com/).
Click Add an app on this page.
Type an application name. This is the name that users will see in the Windows Live user interface (UI). The application name should include your company name or the name of your web site.
Generate Application Secret by clicking Generate New Password.
Select Web as a platform by clicking Add Platform.
Provide this URL as Redirect URLs: https://mywebsite.com/path_to_hybridauth/live.php
Click Save. This action registers your application.