This app has a simple interface that makes it easy for anyone to install Windows 7 or Windows 8 from a USB flash drive. Bootable flash drive / pendrive created by Windows 7 USB/DVD Download Tool allows you to install Windows 7 & 8 directly from USB flash drive without having to first run an existing Windows on your computer. You just need to change the boot order in your computer's BIOS and then boot directly from USB flash drive. The following are the steps to create a Windows 7 or Windows 8 bootable flash drive:
Download Windows 7 USB/DVD Download Tool here (Download) and then install it.
Note: For Windows XP users, Microsoft .NET Framework 2.0 and Microsoft Image Mastering API v2 must be installed.
Open the application, click Browse and then select Windows 7 or Windows 8 ISO file.
Click USB Device button
Select your USB flash drive and then click Begin copying
If your device is not displayed, insert USB flash drive and then click Refresh.
Your bootable USB flash drive is ready to use :)