Windows
Hold Alt and type 348 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All S accentsHold Alt and type 348 on the numeric keypad.
Option + I, then S
Ctrl + Shift + 6, then s — or type 015C then Alt + X
Insert → Special characters → S circumflex
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 348, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+015CŜŜ\015C\u{015C}Alt + 348