Error 0xc1900201 When Updating to Windows 11 24H2

Error 0xc1900201 When Updating to Windows 11 24H2 - system reserved partition error

When you attempt to upgrade to the latest feature update (e.g., Windows 11 24H2). the following error may occur:

This PC doesn't currently meet Windows 11 system requirements.

We couldn't update system reserved partition.

The error code 0xc1900201 – 0x40008 or 0xc1900200 – 0x20008 will be logged in the setupact.log.Read more

How to Clean Install Windows 11 (24H2) using USB Setup Disk

Here’s the Windows 11 clean installation walkthrough. The screenshots below are from the Windows 11 24H2 setup.

Before proceeding, please do the preliminary tasks mentioned below:

  1. Use the PC Health Check app to determine if your PC is compatible with Windows 11. See How to use the PC Health Check app.
  2. If your PC meets the Windows 11 system requirements, create a Windows 11 USB setup disk using the Media Creation Tool from another computer. For more information, see How to Download Windows 11 ISO Using Media Creation Tool.

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0xC1900209: This PC can’t be upgraded to this version of Windows (24H2)

setup incompatible driver service 24h2

When you install a feature update in Windows 10 or 11, the following error message may appear.

What needs your attention

The following things need your attention to continue the installation and keep your Windows settings, personal, files, and apps.


This PC can't be upgraded to this version of Windows.

Your PC has a driver or service that isn't ready for this version of Windows. Windows Update will automatically offer you this version of Windows once the issue has been resolved.

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How to Downgrade to Windows 10 from Windows 11

downgrade to windows 10 using "go back" option

Many users ask if there is a way to downgrade to Windows 10 after installing Windows 11.

If you’ve upgraded to Windows 11 from Windows 10 within the last ten days, you can revert to Windows 10 via Settings. Otherwise, you need to do a clean installation or install Windows 10 using the Media Creation Tool without keeping the apps, files, and settings (the “Nothing” option).Read more

“Keep personal files and apps” is Grayed Out During Setup

keep files and settings - grayed out - wrong iso

When you attempt to perform an in-place upgrade of Windows 10 or 11, the “Keep personal files and apps” option may be disabled. The following message appears at the bottom of the dialog:

Your files, apps, and settings can't be kept because you've chosen to install Windows 11 using a different language than you're currently using.

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