How to install Windows 7 system without disk

The first method, basic
1. First, we use Xin Blue PE to boot into the PE system. If your boot partition (such as C drive) is XP, you don't need to format it. It is formatted for vista or Windows 7 system. ;
2. Open the windows7 system image with winrar, copy the "boot folder" and "bootmgr" to the C drive, and create a folder "sources", and the mirrored sources folder In the "boot.win" copy to the established "sources";
3. Run, run the command <; C: bootbootsect.exe space /nt60 space C: & rdquo;, (for copying C: bootbootsect .exe /nt60 C:)
4. Extract the sources folder in the image to the non-C drive, such as we upgrade to the D drive;
5. Restart, repair the computer, wait, single Click on the first option, next, click on the command prompt to fix (the last option)
6. After entering the command prompt, go to the sources folder we just copied and execute setup.exe (just now we mention The sources file to the D drive, use the command as follows, d: enter, cd sources, enter, setup.exe enter)
7. Finally According to the prompts to install the system
second approach, creative
1. viewing conditions, illegal shutdown, (vista /windows7 computer system reinstall the system). Unplug the computer directly and plug it in again to see if there is an option to repair the computer. If so, the conditions are met.
2. If the conditions are met, we need to start normally under the first condition, do not choose to repair, copy the sources file to the non-system disk of Windows 7 system image, such as D disk
3. , boot again, choose to repair the computer, wait a moment, click the first option, next, click the command prompt to repair (the last option)
4. After entering the command prompt, enter the copy we just copied Sources folder, execute setup.exe, (we just raised the sources file to the D drive, use the command as follows, d: enter, cd sources, enter, setup.exe enter)
5. Finally follow the prompts Installation system