Install Windows 7 or Windows Vista without the DVD Media Thistutorial guide assumes that the new Windows 7 or Windows Vista will beinstalled and replaced the original existing operating system currentlyinstalled. The instructions can be modified slightly (mainly . harddisk partition used) to fit into need of readers who want to have adual-boot, multi-boot, or simply just to upgrade install to new OS.
1. Install a virtual CD/DVD drive . existing Windows operating system.
2. Mount the Windows Vista or Windows 7 installation DVD ISO image using the virtual drive.
3.Copy all files inside the virtual CD/DVD drive mounted with the ISOinto any folder . any partition or hard disk drive not going to beused to install the Windows OS. For example, copy into E:\Windows7.
4.Copy the bootmgr and boot folders nested inside the copied folder (i.e.\Windows7) to root directory of system boot drive, typically C:\.
Note:For Windows Vista, users may need to use this step: Copy the bootmgrfolder from E:\Windows7 to C:\ root directory, copyE:\Windows7\boot\boot.sdi file to same folder in C:\boot folder, andthen copy bootsect.exe from the E:\Windows7\boot\ folder to C:\ drive.
Note: boot folder in system boot drive is hidden system folder.
5. Create a new folder named sources under the C:\ root folder.
6. Copy the boot.win file inside \Windows7\sources folder to the source folder created in the system boot drive, normally C:\.
7. Open a command prompt as administrator.
8. Run the following command (change the C to your drive path letter if applicable):
C:\boot\bootsect.exe /nt60 C:
For Windows Vista users who copied bootsect.exe to C:\ root folder, use the following command instead:
C:\bootsect.exe /nt60 C:
A successful message is the command completes successfully.
9.Change the name or label of the boot system partition local disk toBDCP or any name you prefer that easier to remember and type (in DOScommand promot, use label command).
10. Restart the computer.
11.After booting up, the system will start the corresponding Windowsinstallation process. Select the applicable language to install, timeand currency format (regional settings locale) and keyboard or inputmethod in the installation wizard dialog.
12. . the nextscreen, user will be presented with option to Install Windows. DO NOTpress . Install Windows button, instead, click . Repair My Computerlink . the bottom left corner.
13. In the Windows RecoveryEnvironment (WinRE) System Recovery Options dialog window, click .Command Prompt to open a DOS Prompt window.
14.Run the format command to format the primary hard disk or partition to clean state:
format c: /q
Note:/q switch, which perform quick format can be omitted to full format.And if existing hard disk partition is of FAT32 filesystem format, useformat c: /q /fs:ntfs to convert the file system to NTFS whileformatting. Before formatting begins, the command may prompt for harddisk drive or partition label name, if so, enter accordingly (i.e.BDCP).
15. After format completed, start the Windows Vista orWindows 7 installation process again by manually running the setup.exelocated in the copied. Note that the setup.exe is not the .e located . boot system drive which copied at later step, as the boot drive hasbeen formatted. For example:
E:\Windows7\sources\setup.exe
16. Continue with installation procedures by following .-screen instructions as per normal practice.