Win8.1 set taskbar preview window size for easy viewing

Win8.1 Desktop under the taskbar has been placed on both sides of the fixed icon, such as the start screen, system tray, etc., the middle part will be the user will open the program icon. When the user mouse moves to the taskbar's program icon, the Preview window appears above it. How do I change the size of the preview window?

Win + R shortcut to the "Run" dialog box, enter "regedit", OK, open the Registry Editor, on the left side of the window to "Hkey_current_ Usersoftwaremicrosoftwindowscurrentversionexplorer TaskBand, then click the right mouse button in the right window and select New –dword (32-bit) value. As shown in figure:

Rename the value to "minthumbsizepx", and then double-click the MINTHUMBSIZEPX value to open the Edit DWORD (32-bit) value window. As shown in figure:

Set the cardinality to "decimal", and then fill in the value data for the size of the preview window you want, in pixels, this can try to fill out, and so see the effect after the change is not satisfied until you change to the value of your satisfaction.

The Win8.1 taskbar program icon displays a preview window, such as clicking on the taskbar browser program to display a preview window to see the name of the open Web site. Some users feel that the default window is not clear, or the default window is too large, then use this method to modify.