To create a bootable flash windows 7 all you have is
1. A single USB drive or memory kafasitas Falshdisk with minimum 4 GB
2. Application to format the flash disk please download HERE  
3. Application to create a bootable Flash Disk Win7 please DOWNLOAD Windows 7 USB / DVD Download tool 

How To Burning Windows 7 Using USB stickOnce you have the three points above the initial steps immediately persipkan to format your flash with HPUSBDisk, then install Windows7 USB DVD Tool to complete, For more details, I have persipkan figure 1 for the initial view after you run the Windows 7 USB DVD Tool

After a display like the above click on the Browse button then locate the Windows 7 ISO file on your PC and click the Next button

Select the USB device and will direct them automatically (see image below)

All you have to do now is press the button Begin Copying and wait for windows 7 file copying process is completed

Windows 7 can now be used via the USB Drive / FlashDiskUPDATE!!!!!!!!!!!!! !!!!!!!!If the above is still less satisfactory way you can use to burn iso to usb under Windows 7 with just a few steps below: 
1. Download UNetbootin 
2. After insert the USB drive formatted / flash
3. Run UNetbootin portable then please adjust the settings as follows:

4.Tunggu some time to process successfully

5. USB drive ready for useUPDATE! How To Install Windows 7 Through FlashDiskActually, to how to install it via FlashDisk similar to using a CD / DVD just to distinguish it only from the first boot, if you want to install the OS from FlashDisk look at the picture below for its BIOS settings. In the First Boot Device shows CD ROM (for install windows via CD / DVD) if you want to install windows 7 to flash just replace the First Boot Device to your FlashDisk name.

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