Numeric Keypad: Windows allows the user to type any available character, including diacritical marks, by holding down one of the Alt keys while typing in a numeric code on the numeric keypad, if one is available. How do I type a diacritical mark in Windows? This symbol is on the same key as back quote ( ` ), in the top-left portion of the keyboard under Esc. IOS or Android device: Press and hold the A, N, or O key on the virtual keyboard, then select the tilde option.
While holding down the Alt key, type the code for the symbol you want to appear on the numeric keypad.
