Copy paste this code to the Notepad and save it as (.vbs)
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X=MsgBox("Write your message here",0+16,"Add the Title") 

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Write You Message here = You can have any text you want here
Add the title = It adds the title at the top

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Changing numbers after the message

0 = 1 button that says "OK" 

1 = 2 buttons that says "OK" & "Cancel"
 
2 = 3 buttons that says "Abort", "Retry", "Ignore"
 
3 = 3 buttons that says "Yes", "No", "Cancel" 

4 = 2 buttons that says "Yes", "No"
 
5 = 2 buttons that says "Retry", "Cancel"


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Changing numbers before the title

16 = "X" icon
32 = "?" icon
48 = "Exclamation" icon
64 = "I" icon