Win7 production and installation of U disk

After the CD image file is downloaded or produced, you can start to make Win7 installation U disk. Since the Win7 installer is about 2GB in size, the capacity of the USB flash drive needs to be 4GB or more.
Step 1: Transfer the data in the USB flash drive to the computer, then format the USB flash drive (note the USB flash drive data in advance) and keep the USB flash drive connected to the computer.
Step 2: Run UltraISO, select “File” → “Open” command in the main interface of the program, and find and select the Win7 installation image file in the “Open ISO File” dialog box that pops up.

Step 3: Click the "Open" button, use UltraISO to open the Win7 installation image, select "Start" → "write disk image" command.

Step 4: Open the "write disk image" dialog box, select the U disk boot disk for making at "hard drive", select a write mode in the "writing mode" It is recommended to choose USB-HDD or USB-HDD+.