U disk boot Windows 7 operating system [Photos]

If there is no optical drive (such as some thin and light business books), or if the optical drive is damaged, can you install the system for the computer?
The answer is yes; it can be installed, and there are more than one method. Here is a brief introduction to one of them: install Windows 7 using a USB flash drive. In the process, we need two conditions: Windows 7 USB/DVD Download Tool; and Windows 7 ISO file. Steps/Methods
First, we need to download a tool: Windows 7 USB/DVD Download Tool. Download and install.

double click to open this tool, click Browse to locate Windows ISO file 7, press Next;

Next, the system will prompt you to select the boot media, since Xiao Yi here wanted to build a boot disk U , so I chose USB Device;

select the need to use U-disk, (if there are multiple U disk, you can choose from ready to use the drop-down menu), press Begin copying;
(Note: this At this point, the USB stick used as the boot disk should have at least 4GB of flash memory.)
Now the Windows 7 USB/DVD Download Tool starts to create the boot USB drive, which may take a few minutes. After the U disk is created, connect to the computer and set the first boot item of the BIOS computer to U disk to start the system installation.