'Step 1: click "developer" --> macro ' 'Step 2: enter a name such as hello --> "create" and you will see ' ' Sub Hello() ' ' End Sub ' 'Step 3: type MsgBox ("Hello, World!") then close ' 'Sub Hello() ' MsgBox ("Hello, world!") 'End Sub ' ' ' ' Step 4: Click "Developer" - > Macro - > Choose Hello -- > Run ' ' '