You can try MiniTool ShadowMaker, a professional backup program, to finish the task.
Whether you choose still to use Windows 7 or upgrade to Windows 11, you had better back up your Windows operating system regularly to prevent your important data from losing. It’s recommended to you use the latest Windows operating system – Windows 11 to continue receiving security updates from Microsoft. Tip: Microsoft ended support for Windows 7 ends on January 14, 2020.