Create Bootable USB for Windows 11 ARM

create-bootable-usb-for-windows-11-arm.txt

Download Official Windows 11 ARM ISO
====================================
1. Navigate to https://www.microsoft.com/en-us/software-download/windows11arm64
2. Select "Windows 11 (multi-edition ISO for Arm64) from the "Download"
   dropdown list.
3. Click Download Now.
4. Select the product language, e.g. English (United States), from the
   "Choose One" dropdown list.
5. Click Confirm.
6. Click Download Now.

The ISO file should now download. You may proceed to the next section while
you wait for it to download but don't close your browser.

Create a Bootable USB
=====================
1. Insert an unused USB drive with at least 8GB capacity.
2. Press Windows key and type:  recovery drive
3. Click "Recovery Drive" to run Recovery Media Creator.
4. Uncheck the box for "Back up system files to the recovery drive".
5. Click Next.

Proceed to the next step if Recovery Media Center detects your USB drive.

Otherwise, it may be necessary to re-format the drive. Quick format USB drive
using FAT32. Once formatting is complete, eject and re-insert the drive. It
should now be detected by Recovery Media Creator and you can proceed to the
next step.

6. Click Next.
7. Click Finish.
8. Right-click on the USB drive in File Explorer and click Rename.
9. Give the drive a new label by entering "WIN11ARM64"

Copy Files from ISO to Temporary Folder
=======================================
1. Double-click on the Windows 11 ARM ISO file once it has finished downloading.
2. Create a temporary folder labelled "Win11Arm64Files".
3. Click the drive on which the ISO file has been mounted.
4. Highlight all files and folders and hold CTRL and press C.
5. Switch to the "Win11Arm64Files" temporary folder.
6. Hold CTRL and press V to copy the files from the mounted ISO to the "Win11Arm64"
   temporary folder.

Split Install.wim into Multiple Smaller Pieces
==============================================
This step is necessary because the Instal.wim is larger than 4GB and therefore is
unable to fit on a FAT32 formatted filesystem.

1. Hold Windows key and press R.
2. Type: cmd
3. Press CTRL + SHIFT + ENTER (This will open a Command Prompt in admin/elevated mode.)
4. Copy and paste the following command after replacing "C:\folder_name" with the
   correct drive and path to the "Win11Arm64" temporary folder:

Dism /Split-Image /ImageFile:C:\folder_name\sources\install.wim /SWMFile:C:\folder_name\sources\install.swm /FileSize:3800

5. When the operation has completed, exit the Command Prompt window.
6. Delete Install.wim from the sources folder under the "Win11Arm64" temporary folder.

Copy Files to USB Drive
=======================
1. Switch to the "Win11Arm64" temporary folder.
2. Select all files and hold CTRL and press C.
3. Switch to the USB drive.
4. Hold CTRL and press V.
5. You will eventually be prompted whether you want to replace files, click Yes.

Once the files have finished copying, you will have a bootable USB installer for Windows 11 Arm64.

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