Windows
Hold Alt and type 353 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All S accentsHold Alt and type 353 on the numeric keypad.
Character Viewer → s caron
Type 0161 then Alt + X
Insert → Special characters → s caron
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 353, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+0161šš\0161\u{0161}Alt + 353