<Li> Microsoft Windows: with the Number Lock on, hold down the Alt key while typing on the numeric keypad the decimal value of the code point from the active DOS / OEM code page without a leading zero, then release the Alt key; i.e. Alt + 6 + 6 + 6 for ⟨ Ü ⟩ and Alt + 1 + 2 + 9 for ⟨ ü ⟩ </Li> <Li> Microsoft Windows: with the Number Lock on, hold down the Alt key while typing on the numeric keypad the decimal value of the code point from the active ANSI code page with a leading zero, then release the Alt key; i.e. Alt + 0 + 2 + 2 + 0 for ⟨ Ü ⟩ and Alt + 0 + 2 + 5 + 2 for ⟨ ü ⟩ </Li> <Li> Microsoft Word for Windows: type Ctrl +: followed by ⇧ Shift + U for ⟨ Ü ⟩ or Ctrl +: then U for ⟨ ü ⟩ </Li> <Li> macOS with an English keyboard layout (Australian, British, or US): type ⌥ Option + U followed by ⇧ Shift + U for ⟨ Ü ⟩ or ⌥ Option + U and then U for ⟨ ü ⟩ or by keeping the U key pressed and then typing 2 </Li>

U with two dots on top microsoft word