Windows
Hold Alt and type 468 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All U accentsHold Alt and type 468 on the numeric keypad.
Character Viewer → u caron
Type 01D4 then Alt + X
Insert → Special characters → u caron
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 468, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+01D4ǔǔ\01D4\u{01D4}Alt + 468