Use Rufus

This method is handy if you want a quick and easy way to create USB installation media for Windows 11. You will need an 8GB or larger USB flash drive

  1. Download the Windows 11 iso Download
  2. Download Rufus version 3.16 or later Download
  3. Run the Rufus application
  4. Select the target USB device (double check the selection, all data on the USB device will be lost)
  5. Click the Select button next to Disk or ISO image > Browse to and select the downloaded Windows 11 iso file
  6. Select Extended Windows 11 Installation (no TPM / no Secure Boot) from the Image option dropdown
  7. Select MBR from the Partition scheme dropdown
  8. Click the Start button to write the modified installation media to the target USB device
  9. Wait for Rufus to write the files to the USB device
  10. That’s it! Boot to the USB device on any machine you wish to install Windows 11 on

Source

https://i12bretro.github.io/tutorials/0635.html