- To install Windows 11 24H2 from an ISO file without USB, right-click the ISO file and choose “Mount,” open the virtual drive, and double-click “Setup.exe” to start the upgrade or clean install process.
You can always mount the ISO file to File Explorer and launch the setup process to upgrade to Windows 11 24H2 without the extra USB bootable media steps. This works for devices already running Windows 11 or any supported version of Windows 10.
Although it’s possible to use a USB flash drive to perform a clean installation or in-place upgrade, if you don’t have a USB flash drive (or the one you have isn’t working), you can also mount the Windows 11 24H2 ISO file to launch the setup without any physical media.
In this guide, I will teach you how to perform a Windows 11 24H2 upgrade or clean installation without a bootable USB or Media Creation Tool.
Install Windows 11 24H2 mounting ISO on File Explorer
To install Windows 11 24H2 without a USB flash drive, use these steps:
Open File Explorer.
Open the folder location for the ISO file.
Right-click the Windows ISO file and select the Mount option.
Select the mount drive from the left navigation pane.
Double-click the Setup file to begin the Windows 11 24H2 upgrade process.
Click the Accept button (if applicable).
(Optional) Click the “Change how Windows Setup downloads updates” option.
Select the “Not right now” option.
Click the Next button.
Click the Accept button to agree to the terms.
Click the Install button.
Quick tip: Alternatively, you can click the “Change what to keep” option, select the “Nothing” option instead, click the “Next” button, and then click the “Install” button to perform a clean installation.
Once you complete the steps, the new version of the operating system will be installed on your computer. In the case that this is an in-place upgrade, the wizard will skip the initial setup because all your settings, apps, and files will transfer automatically to the new installation.
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