Usually, you install Windows in BIOS LEGACY mode or in EFI mode and your computer boots on your Windows installation located on disk 0 of it.
This disk 0 has one or more partitions (the one where Windows is installed and one or more system partitions linked to it).
Thanks to the VHDX virtual hard disk system offered by Microsoft, it is possible to use native boot on them.
Warning : native boot is only supported with virtual hard disks in VHDX format. VHD format is not supported by this feature.
Native boot allows you to install one or more versions of Windows on the same computer without installing an operating system hard on the partitions of your hard disk, without using a hypervisor and without using virtual machines.
This is because each version of Windows will be installed in a separate VHDX file.
Then, all you need to do is add an entry to the main boot menu to be able to boot to the version of Windows you want.
As you will see in this tutorial, your main hard disk (disk 0) will only contain:
To use native boot, you will need:
Installing the different versions of Windows on virtual hard disks (VHDX) has several advantages:
Although using virtual hard disks has many advantages, there are still some limitations:
The local computer must have a local disk with at least 2 partitions:
Warning : the 2nd partition (where you will store your VHDX virtual hard disks) must:
There are 3 types of VHDX virtual hard disks:
Windows 5/2/2022
Windows 5/15/2023
Windows 11/4/2024
Windows 5/24/2022
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