Methods to create a Windows installation of AIO Boot

AIO Boot supports multiple Windows installers in one USB/HDD. This article will help you choose one of two methods that are more suitable for you.

How does it work?

An ISO file of the Windows installer will contain the necessary files for the installation. Include bootloader files, menus, WinPE and Windows version images. AIO Boot already includes Windows bootloader files and menus. Here we only need two important files in the ISO file.

  1. source\boot.wim:
    This is a WinPE, a small operating system that includes the installer and tools for installing Windows. First we will boot into this small operating system then the installer will start.
  2. source\install.wim:
    The installer will look for images of Windows editions, which by default are in source\install.wim or source\install.esd.

AIO Boot will modify the boot.wim file to interfere with its working steps. Or we will direct the path of the install.wim file. Or mount the Windows ISO file and let the installer work its way.

Advantages and disadvantages

Here are the advantages and disadvantages of two methods using ISO and extract install.wim.

  • The size of install.wim is smaller than the ISO file, so it will save your disk space.
  • You can save the install.wim file on the FAT32 partition if its size is less than 4GB regardless of its ISO size.

By default, the AIO Boot will use the Windows ISO file instead of the install.wim file. To switch to using the install.wim file, run AIOCreator.exe > Settings, select “Extract WIM for Windows Setup.” and Save.

Windows installation

By default, AIO Boot will integrate the USB 3.0 driver for Windows 7. If your ISO is already integrated, enable the “Do not integrate USB 3.0 Driver for Windows 7” option.

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