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Windows 10: a Clean Installation without CD via USB or the ISO - so it goes

  • Oct 09, 2025
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You do not want to put Windows 10 just back, but completely clean install, is this possible without a CD, USB or ISO file. We will show you how to do it.

Step 1: Windows 10 for Clean Install download

  • First, you must download the correct ISO file of Windows 10. You have the choice between Windows 10 Home and Windows 10 Pro.
  • You have already installed Windows 10 on the Computer, of course you need the same Version. In the following practical tip we show you how to get the current Version of Windows to find out.
  • Whether it's Home or Pro, you always have the choice between a 32 - and 64-Bit Version. In General, you should grab the 64-Bit Version, 32-Bit should come at a more slower and older devices.
Windows 10: Clean Installation

Step 2: Windows 10 via Clean-Install direct install

  • You have downloaded the ISO file, you can open the file simply with a double click. In General, the ISO file opens directly in Explorer.
  • Start the included file "setup.exe" is prepared for the Installation. For a Clean Install during Installation, choose the Option "No data".

Windows 10: a Clean Installation on a USB Stick

  • Alternatively, you can install Windows 10 on a USB-Stick. This is especially worthwhile if you only have limited access to a Computer.
  • Plug in a USB Stick with enough memory space in your Computer and set them in the USB-Stick first. Alternatively, you can use an empty external hard drive.
  • Now open the ISO file and copy all contained files and folders on the USB Stick. Alternatively, you can also free Software such as ISO to USB access.
  • Insert the USB Stick into the Computer and start it up. Now the Installation of Windows 10 should launch. This is not the case, you still need once the Boot order in the BIOS to change.
Windows 10 via USB-Stick install
In the next practical tip we will show you how you the data protection and privacy on Windows 10 right set.

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