We all know that Windows 8 will come with lots of new features and enhancements and one of them is the built-in integration of Windows Live ID . You can check this new feature in the recently released Windows 8 Developer Preview build as well. Actually you can use your Windows Live email ID as your login account for Windows which provides many benefits to you. Microsoft has outlined these benefits in an official post at Building Windows 8 blog. According to Microsoft: Windows 8 will come with Windows Live ID integration which will provide the ability to log in to Windows (optionally) with a Windows Live ID that works across devices, apps, and services, allowing you a uniquely personal experience with Windows. Signing in with Windows Live ID allows you to: Associate the most commonly used Windows settings with your user account. Saved settings are available when you sign in to your account on any Windows 8 PC. Your PC will be set up just the way you are used