As you are going to proceed with the format of your computer, you need to have a Windows 10 installation media ready. This means that it can be either from a USB or a DVD. You can easily install Windows 10 using the Windows 10 Installation Media Tool available from the official microsoft website here. After downloading the tool, execute and proceed to prepare a Windows 10 installation as you want, this means if you have an USB of 8GB or more, you can realize the setup with it or burn the Windows 10 ISO in some DVD. Be sure that the Architecture of the installation media is supported by your computer, in this model (Medion Akoya S2218) specifically, only the 32-bit is supported. mybalancenow.com
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