How to Make Your Windows 7 Installer from Linux (Ubuntu 16.04)

Things that you need:

• USB Drive : 4GB or more
• Windows 7 ISO image
• Computer with linux (Ubuntu) installed

Steps:

• Prepare everything. 


• Install gparted and ntfs-3g from your terminal



apt-get install gparted ntfs-3g



• Open gparted and unmount your usb drive so you can format it to NTFS





• Format the usb drive to NTFS and apply your action





• Manage USB drive flags as boot.





• After that, download ms-sys from here and un-tar the source code.



tar xvzf ms-sys-2.5.0.tar.gz 
cd ms-sys-2.5.0



• Compile and install ms-sys



make
sudo make install



•  Write Windows 7 MBR (Master Boot Record) to the USB drive



sudo ms-sys -7 /dev/sdc



•  Mount your USB Drive to your linux



sudo mkdir -p /mnt/usb
sudo mount /dev/sdc1 /mnt/usb



• Make another folder in /mnt/ and mount Windows 7 iso image in there



sudo mkdir -p /mnt/iso
sudo mount -o loop /home/handi/windows7x86.iso /mnt/iso



• Copy the contents of Windows 7 in iso image to your USB drive.



sudo cp -av /mnt/iso/* /mnt/usb/



• After that unmount your USB Drive



sudo umount /mnt/usb



• Now your USB Drive is ready use for install Windows 7. Plug in the USB and change your boot priority to USB-HDD.

source: thornelabs, serverfault, webupd8