You can use this page to download a disc image (ISO file) that can be used to install or reinstall Windows 10. The image can also be used to create installation media using a USB flash drive or DVD. Download the ISO file for Windows 10 without a product key to perform a clean installation of the operating system. Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found. On that website, you can select a version of Windows and create installation media on ar a USB flash. Alternatively, an ISO file can be created for use in virtual machines (VMs) or for burning the installation media onto a DVD: Follow this post to download the official Windows 10 ISO for free, 64-bit and 32-bit full versions included. Tips for creating a bootable Windows 10 USB drive.