A trick to get a clean version of windows7 system installation

        First you download a good virtual drive after installation, the extraction Windows7 system installation files out into the non-system disk in any folder, remember the folder will be used later,

then window7 folder Copy the boot folder, sources folder and bootmgr file to the root directory of the non-system disk. (If you don't want to troubleshoot the installation file, you can directly put the Windows 7 installation file into the root directory of the non-system disk. )

then the c drive letter name changed to English, and write it down:

c disk backup important files

restart, pay attention to when restarting pay attention to see The boot option on the screen is generally the second option, which is to select the boot option that is not the current system. By this step, it will basically succeed. When you install language and region
prompt appears on the screen
Next

, etc., this step can click Next, then, remember not to click on the installation, you need to click repair system options
Next
has the option to cancel, there are many options (such as DOS, etc. option when) until appears, select the last option, the command prompt window will appear

(this step can format the C drive out new installation) would enter the following formatc: /q hit enter, then the option to enter a drive letter c will be required, such as input: xitong

will then hit enter confirmation option, Y /N Y input after after confirming there is a option to click on the enter, wait for the system to format the c drive

and other format c disk, enter the following characters: e: win7sourcessetup.exe (here e plate with Win7 folder according to you begin to save the installation file specific path input)

installed officially began, if you download the Chinese version of the system files, just click Next to automatically install Wait about 30 minutes to complete the installation

if you download the English version, which is to choose the language you want to install, time zone, and keyboard. Recommendations do not know English best choice to install the Chinese version

will enter a machine name, user name and options, enter your relevant information after waiting for installation, click Next to enter the registration code will appear this can not In the end, you can click on the next step, and you will be prepared for the first time you use the relevant program, and then you can use Win7 normally. Then set up your broadband connection, the first time after the installation is recommended to update the system immediately, there will be information about the driver update. There is nothing difficult in the future.