Usually, the recommended method is to perform an in-place upgrade using Windows Update, but changing the current setup can lead to errors and many other problems due to compatibility issues and custom configurations. A clean install of Windows 10 21H1 minimizes the risks of issues because it deletes everything on the hard drive and sets up a fresh copy of the operating system. If you have had the same installation for a long time, starting from scratch with a fresh copy of the operating system can improve performance, booting times, memory usage, and resolve existing problems. However, if you are upgrading to the new version, there is an exception. On devices running version 20H2 or 2004, it is not necessary to go through the reinstallation process. Since Windows 10 21H1 is a small update based on version 2004, devices running one of the two most recent releases only need the enablement package to upgrade, which installs quickly like a cumulative update using Windows Update. You should only use the Media Creation Tool to upgrade from an older version (for example, November 2019 Update) or fix problems with the current setup. In this hands-on video, you will learn the steps to properly perform a clean installation of the Windows 10 May 2021 Update on a computer using a USB bootable media created with the Microsoft Media Creation Tool.

Clean install Windows 10 21H1 from USB

Before diving into the process, you first need to create a USB flash drive with the Media Creation Tool, then start the computer with the bootable media to access the Windows Setup wizard. Also, you have to make sure the device can boot from USB, which means that you may need to adjust the BIOS or UEFI settings. However, since the settings are different on most devices, you have to check your manufacturer support website for more specific details. To perform a clean installation of Windows 10 21H1 (May 2021 Update), use these steps: Once you complete the steps, a clean install of Windows 10 21H1 will be performed on the computer. For additional assistant, check this guide that includes every step to prepare, create a backup, and start with a new installation of Windows 10. If you want to speed up the installation process, you can also do an in-place upgrade using these instructions. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.