How to quickly restore the original system by uninstalling Windows 8

To quickly restore the original system from Windows 8, you must reinstall Windows 7. If the "Windows. old" folder for storing the original system file still exists, we can try other methods to uninstall Windows 8 and quickly restore the original system. First, back up all the data to ensure that data is not lost after uninstallation and Recovery fails. Start the computer with the Windows 7 installation CD, enter the installation program, select the "repair computer" button in the lower left corner, and select Windows 8 in the current system for repair, in "system recovery options", select "command prompt" and use the command to change the "Windows", "Program files", and "Users" folders of Windows 8 to other names, and the "Windows. all files in the old folder are moved to the root directory of the system partition. Finally, go to the root directory of the installation disc, and type the command "boot/bootsect/nt60 C:" (assuming the system drive letter is C :) to fix the startup information of Windows 7. Then restart the computer. If the original system file is not damaged, the possibility of successful recovery is very high.