First run the registry editor. At the beginning-run-enter-regedit, then open the existing or create the following operation subkey, and edit the corresponding key value item according to the following table (please create this item if it does not exist)
Found in the registry:
Operation subkey HKEY_CURRENT_USER\Control Panel\desktop
Key-value item (data type): PaintDesktopVersion (DWord value)
Key value: 0 (the version number of Windows is not displayed); 1 (the version number of Windows is displayed)
(Note) Change this item to 1. After logging out or restarting the system, you can display your Windows version number in the lower corner of the desktop.