Win8 system reset and refresh function

The steps for Windows8 to reset the computer are as follows:
1. Boot the computer into Windows Recovery Environment (Windows RE)
2. Windows RE erase and format the hard disk partition store Windows and personal data
3. Windows RE Install a brand new copy of Windows
4. The computer reboots and installs the new Windows.
Resetting the computer: For users who are concerned about sensitive data leaks, rather than just choosing to format the drive, Windows 8 Beta will also provide a completely removed option that will overwrite the drive under the operating system. Even if someone gets the hard drive in the computer, it can't easily recover the data. This effectively balances the security and performance, and some users can safely donate the computer.
Refresh the computer to solve the intractable problem
Resetting the computer is really good to get back to the starting point, but it looks more like an extreme solution. To solve the problem without overly affecting the data in the system, refreshing the computer would be a better choice. The coolest thing, choosing to refresh your computer will not require an external hard drive to back up your data.
The process of refreshing the computer is as follows:
1. Boot into Windows RE
2. Windows RE scans the data, settings and applications on the hard disk and then saves them to one side.
3. Windows RE installs a brand new Windows.
4. Windows RE restores the data, settings and applications that were placed on the newly installed Windows.
5. Restart your computer and enter the new Windows.
Under the manual reinstallation system, the user does not have to configure all the initial settings again. Because the user account has saved these settings. After the user logs in with the previous account, the personal files and data are still saved in the same location.
Refresh the computer:
Take into account the convenience of the user and reduce the error of configuration retention. Windows 8 will decide whether to keep it or not for different types of settings. The following list of Microsoft will further strengthen the feedback on Windows 8 developer preview and public beta.
In Windows 8 Beta, the following settings will be preserved: Wi-Fi links, mobile network connections, BitLocker and BitLocker To Go settings, drive letter assignment, personalization (lock screen background and desktop wallpaper).
For the error-prone areas, the following configurations will not be retained by default: folder type association, display settings, firewall settings.
Application recovery:
When the user chooses to refresh the computer, Windows 8 will only keep the Metro application, the desktop program will not be reinstalled by default, the automatic recovery of a large number of desktop software, the chances of doing bad things really Very big. Windows 8 will save the application list on the desktop, and when users need to reinstall the desktop software, they can quickly view it.