How to display subtitles such as "Welcome to a certain leader to visit" on the computer? Please ask for expert guidance.

On the desktop background of your computer. . ?

Right-click on a blank space on the desktop-"Properties-"Screen saver-"Settings-"Enter the text welcoming leader xx as shown here? Then set the text format yourself? Make the font larger or something like that? ? Keep the waiting time as short as possible before returning to the front! !