If you are upgrading your PC from a previous version of Windows to Windows 10, you will see a warning message stating that you won’t be able to undo the upgrade or rollback to the previous version of Windows.

Keep in mind, after this step, your device will update to the latest Windows 10 version.

Choose the 'Keep my files' option in the popup message.

Under“Reset this PC,” click “Get started.”.

Right-click on the Windows start button on the bottom left-hand corner of the screen to open the settings menu.

To reset your Windows 10 PC using the “Reset this PC” option, use the following steps: Method 1: Using the “Reset this PC” option You can choose either process and achieve the same results. Microsoft offers three processes for resetting Windows 10 without losing the existing data on the system. How to factory reset Windows 10 without losing data In this guide, we'll explain how to reinstall Windows 10 and reset your computer to its default settings without losing data, including important files, personal data, and programs. Microsoft eases the resetting process with the option to retain existing data during reinstallation.

How to move Windows 10 from your old hard drive to SSD.

17 Windows 10 problems - and how to fix them.

Undo uninstall program windows 10