You need net frame 4 for that tool.
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Insert the USB drive you intend to boot from.
Choose the menu "Tools > Create Bootable USB Drive". The "Create Bootable USB Drive" dialog will popup. If you are using Windows Vista or Windows 7 operating system, you need confirm the UAC dialog to continue.
In "Create Bootable USB Drive" dialog, click "..." button and browse to the iso file of Windows 7.
Select the correct USB drive from the "Destination USB Drive" list if multiple USB drives are connected to the computer.
Choose the proper writing method. "USB-HDD" is recommended.
Click "Start" button to start creating windows 7 bootable USB drive.