win7home win7pro win7ulti

Clean installation of Windows 7

In this tutorial we will show you how to perform a clean installation of Windows 7. This method will wipe out everything that is on this computer so make sure to backup all valuable data before attempting installation.
To perform the clean installation you will need:

  • Installation DVD or USB
  1. After you had created the installation DVD or USB you need to insert it into the computer and shut it down. Now you will need to boot your computer using it. It will require either entering your BIOS setup utility or Boot Menu by starting your computer and immediately tapping on a certain button (list of possible setup/boot menu buttons you can find here)
  2. Booting your computer using DVD or USB:
    • If you entered into the BIOS setup utility you need to look for boot options/boot sequence and select your installation DVD or USB as the primary boot device. When you do exit the BIOS saving changes and reboot your computer. When you see “Press any key to start installation disc” please press any key to start the installation
    • If you entered Boot menu, please select the DVD or USB you have created. When you see “Press any key to start installation disc” please press any key to start the installation


  1. Now you will see installation screen. Select language press next and then “Install now”


  1. Accept the terms and press “Next”.

  1. Choose Custom (Advanced)

  1. You will now see the list of your current partitions. Click on “Drive options”

  1. Now select each partition and press “Delete” at the bottom.

  1. After you are done deleting partitions you should see “Disk 0 Unallocated space”. Highlight it and press “Next”.

  1. The installation will now start. It shouldn’t take longer than 1 hour, but on older computers, it might take longer than that.

  1. At the end your computer will reboot, do not press any keys because the installation will start all over again. Please wait until you see this screen. Enter your username and press next.

  1. You can enter your new password, but if you do not want to have a password just click “Next”
  2. Now enter your product key and press “Next”. If you do not have access to your product key right now you can skip for now.

  1. Use recommended settings.

  1. Set your time and date.
  2. When asked about network select accordingly.
  3. Wait for the installation to complete. And that’s it, you have successfully installed Windows 7.