NOTE: Make sure to use the numbers from the Numerical Keypad.

For ä hold down ALT and type 132

For ö hold down ALT and type 148

For ü hold down ALT and type 129

For ß hold down ALT and type 225

For Ä hold down ALT and type 142

For Ö hold down ALT and type 153

For Ü hold down ALT and type 154