If not, then it is highly recommended to take a backup of your personal data on this computer, especially the system C drive, where new Windows 11 OS will be sitting and it deletes all files and folders during installation processor.

If the PC was a branded new one and no data on it, then there is no need to back up the data and you can directly skip this section. Clean Install Windows 11 from USB Drive.Partition Disk and Convert to GPT with DiskGenius.Create Windows 11 Bootable USB from ISO.We would suggest you to read the entire article first before attempting each action, so that you have a bird's eye view of the entire process and what you are about to achieve. We have broken down individual steps into different sections in this article so that you are comfortable doing each of them, and don't get overwhelmed. And it does involve multiple steps, from disk partition to bootable USB creation to real OS installation. Honestly, installing Windows 11 from USB can be a bit difficult if you did not know the steps. If your PC did not receive Windows 11 upgrade notification and you still want to run Windows 11 on this device, then a clean or fresh install is the best way to go!Ī clean install usually means the installation starts from a bootable USB drive and it deletes user data and third-party apps on C: drive. Those devices should at least meet the minimal system requirements of Windows 11, which is a quite high standard from a technical view. Only a small amount of PCs or laptops are eligible for a direct upgrade from Windows 10 to Windows 11.

Fresh windows install from usb