Windows
Hold Alt and type 264 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All C accentsHold Alt and type 264 on the numeric keypad.
Option + I, then C
Ctrl + Shift + 6, then c — or type 0108 then Alt + X
Insert → Special characters → C circumflex
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 264, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+0108ĈĈ\0108\u{0108}Alt + 264