How to Clean Install Windows 7 Using an ISO image

An ISO Image is a file that contains all the contents precisely duplicated from a disc. It’s like a package that contains all the material required to build something. The file itself is not of much use unless it is unpacked, assembled and installed properly.

You may want to install Windows 7 from an ISO image, for this purpose you will need a Windows 7 ISO image.

Install Windows 7 using an ISO Image

While you’re at it, know what you need for the installation

What you will need to install Windows 7 on your PC.

You need a USB device (minimum 4GB) as an installation source to get Windows 7 on your PC.
Now download Microsoft’s Windows 7 USB/DVD Download Tool. Once downloaded, execute the file and follow the installation wizard. This program file will format the USB drive and copy the contents of Windows 7 in it.

Create Windows 7 Bootable USB Drive From ISO File

Root for Windows 7 USB DVD Download Tool program and run it
Choose the ISO file screen and click Browse.
Locate and select your Windows 7 ISO file, and then click Open
Click on Next and click USB device on Step 2 of 4: Choose media type screen.
Now insert the USB drive that you want to use as an Installation medium for Windows 7 and select the USB drive name.
Click on Begin Copying button
Click Erase USB Device if you’re impelled to do so on a Not Enough Free Space window. Click Yes for confirmation
Windows 7 USB DVD Download Tool will format the USB drive and then copy the content from the ISO image to the USB. This part may take more than 30 minutes depending on the ISO image that you’re using and the edition of Windows 7. Once it is done, you will receive the Bootable USB device created successfully message on the PC screen.

Your USB drive is now ready to install Windows 7 on your PC. Close the Windows 7 USB DVD Download Tool program.

Alternately, you can use Rufus to create bootable USB drive from ISO image.

Install Windows 7 from USB

Reboot your computer and press any appropriate key (usually F1, F2, F12, ESC, Backspace, or Escape) which will bring up the BIOS Boot Menu. Change the startup order to boot USB by default, usually, you will have to press F6 to move the selected USB device on top. Once done, save changes and restart the system.

Relatable: How to clean install Windows 10 on your PC via USB or DVD

Clean Install Windows 7 from USB

Here’s a step by step guide to install Windows 7 on your computer:

Step 1: Boot your computer from a USB device that has a Windows 7 setup

Plugin the USB device in the right port and boot your computer system. You’ll see the message like “Press any key to boot from external device….” Press a key to force the computer to boot from the Windows 7 USB storage device. If you do not press a key, your computer will attempt to boot to the next device in the boot order, which is probably your hard drive. If this happens, chances are your current operating system will boot.