The Windows 7 USB/DVD Download tool (WUDT) allows you to create a copy of your Windows 7 ISO file on a USB flash drive or a DVD. Install Windows 7 directly from the USB flash drive or DVD with WUDT.
To install the Windows 7 USB/DVD Download tool:
- Download the Windows 7 USB/DVD Download tool installation file.
- When you are prompted to either save the file to disk or run it, choose Run.
- Follow the steps in the setup dialogs. You'll have the option to specify where to install the Windows 7 USB/DVD Download tool and whether to create shortcuts on your Start Menu or Windows Desktop.

System Requirements:
- Windows XP SP2, Windows Vista, or Windows 7 (32-bit or 64-bit)
- Pentium 233-megahertz (MHz) processor or faster (300 MHz is recommended)
- 50MB of free space on your hard drive
- DVD-R drive or 4GB removable USB flash drive