New features, different versions Windows 8 is available in different versions. There the choice of a home version and the business versions, Windows 8 Pro and Windows 8 Enterprise. Windows 8 introduces Windows Store Apps that are optimized for tablets. They exclusively installed through the Microsoft Windows Store App. For large displays two Apps can run side by side in Snap mode. With Windows 8 you get pre-installed Apps like Mail, Calendar, Camera and a photo album, as well as a Media Player for music and videos. Windows 8 comes with the new Internet Explorer 10 as a classic Windows application and as a Windows Store App. Tools like Windows Explorer or the new Task Manager are optimized for touch operation. If required, the new System Restore can restore Windows 8 to its original state or retain all installed programs and settings with a new installation. Windows 8 Pro also offers Windows Media Center as a free add-on, Windows Remote Desktop Server, and an encryptable file system. This version allows you to use virtual machines, BitLocker encryption for hard disks and BitLocker To Go for removable media, and also to connect to Windows domains. Alongside all the Windows 8 Pro features, the Enterprise Edition offers: complete installation on a USB stick with Windows To Go, application security policies for programs with AppLocker, secure VPN remote access via Direct Access and other extra features for large corporate networks, such as the WAN technology BranchCache. With Windows 8 Enterprise, the Windows Media Center add-on costs money.