Once you have an ISO file of your choice you will need to transfer that onto a USB.
To do this, you will need to download a free tool from Microsoft called the Windows 7 USB/DVD Download Tool. Don’t worry that Windows 7 is in the name. It was originally designed for use as a way of getting a Windows 7 ISO onto a flash drive, but it works perfectly fine for any Windows ISO image.
With the help of this program, over the next few steps, we will get the flash drive properly formatted and the Windows ISO installation files properly copided to it. Once complete, you will be able to use this flash drive to install the Windows ISO.
Warning: It may be tempting to try to copythe ISO file onto your USB, but it takes a lot more coding and telling the USB what to do with the ISO. This is the fastest and easiest way to complete this task.
1. Install the Windows 7 USB/DVD Download Tool. This is just a simple install and you just have to hit next until it is finished. It will create a desktop short called Windows 7 USB/DVD Download Tool. Open that.
If you are presented with a UAC (User Account Control) prompt after opening, click YES to continue.
Here are the following step for the application:
2. Step 1 of 4: Choose ISO file
Once the window is open you should see the following picture
Click on the Browse button
It will open the Windows Explorer and at this time locate the ISO image you have downloaded.
Click the Open once you have selected the ISO file
Confirm that this is the right ISO file and click Next to continue.
3. Step 2 of 4: Choose media type
Now it is time to get the ISO onto the USB device. You can also use a DVD, but that is probably not particularly helpful.
Click the USB device to confirm that you want it on a USB.
4. Step 3 of 4: Insert USB device screen
You will want to pick the flash drive or other USB decide you want the ISO bootable file installed on.
If you see a window pop up called Not Enough Free Space, It will want you to reformat your USB making you lose all content on the USB. You have to options here Erase USB Device or Cancel.
It will prompted you again about making sure that it can erase all of the data on your USB. Click Yes if you are really, really, really sure or No if you are not sure.
If you do not see a message like above you will be moved on to the last step
5. Now you will see Step 4 of 4: Creating bootable USB device.
This step can take as long as 30 minutes to an hour. This all depends on formatting, USB speed, ISO image size, and other variables.
It may pause at the 99%, but DO NOT HIT CANCEL
Bootable USB device created successfully.
Once it is finish you will see the following window.
This is 4 easy steps on how to create a bootable ISO file.
Now it is time to use it.
Attach the USB to the computer of your choice.