The USB drive will also need to have 8GB or more of capacity. Before you get started, make sure you don't have any important files on the USB drive, since they'll be deleted during the process. This can take your ISO file and flash it onto your flash drive so you can boot from it. If you want to create a USB installation media you can use for other PCs or for a clean installation, you'll need a program like Rufus. Plus, this method also lets you install Windows 11 on hardware that's not officially supported. You can do that using the ISO you've already downloaded. As soon as that is done, plug the bootable USB into.
Open the USB bootable creation software, and select the ISO image file of Windows 11, and start the process. Plug in a USB flash drive (at least 16GB of space) with your computer. Install the USB bootable creation software on your computer. However, if you want to perform a clean install or format your PC, you may need to create a bootable USB drive. Download Windows 11 ISO file from the Download menu. Double-click the ISO file, run the setup file, and you're good to go. Windows 11 64-bit ISO file is freely available for download from their official website. As we've mentioned above, if you download an ISO file and you just want to upgrade to Windows 11, you can actually mount the ISO in Windows and run the setup file from there.