How to retrieve the Win8 system tablet power button

        
1, first return to the traditional desktop location of the win8 system, then, press the win+R shortcut on the keyboard at the same time to open the run window, enter regedit and click Enter, this will open the registry editing of win8 system The window is closed;
2, in the open registry editor window, expand HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\ImmersiveShell in the left menu;
3, after, right click on ImmersiveShell , create a new item, and then rename the new item created under ImmersiveShell to Launcher;
4, then create a new DWORD (32-bit) value in the right window, rename the value to Launcher_ShowPowerButtonOnStartScreen, and finally double-click to open The data for the Launcher_ShowPowerButtonOnStartScreen value is set to 1.