New Updates and Features of Windows 8.1
Windows 8.1 makes it much easier for you to share all your important files between your devices.
Although SkyDrive was available in Windows 8, the service is much more convenient to use in Windows 8.1. Windows 8.1 enables you to set SkyDrive as the default location for saving files, thus making it a lot easier to share those files.
SkyDrive is especially handy for Windows Phone 8 users. You can automatically store photos you take with your phone on SkyDrive so that they’re easily available on your Windows PCs.