When you have the USB boot media with support for UEFI systems, you can launch the 'Windows Setup' wizard to perform a clean installation of Windows 10 or an in-place upgrade. Once you complete the steps, Rufus will run the automated script to download the Windows 10 ISO file from the Microsoft servers and create a bootable media to install the operating system on a UEFI device without needing the Media Creation Tool. Leave the customization installation settings unchecked.Under the 'Download' section, click the latest release (first link) and save the file.To create a USB media with an existing Windows 10 ISO file, connect a flash drive of at least 8GB of space, and use these steps: The utility offers two ways to make the installation media, including using an existing ISO file or downloading the image from the Microsoft servers directly from the app.Ĭreate flash drive with existing Windows 10 ISO If the Media Creation Tool does not work or you do not want to use it, then you can try Rufus, a popular free third-party tool that allows you to create an installation media with support for UEFI devices. How to create Windows 10 UEFI boot media with Rufus Once you complete the steps, the Media Creation Tool will download the files and will create a bootable USB flash drive that you can use to install Windows 10 on computers with support for UEFI and BIOS.

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