Answer:
For Windows and Mac OS
The easiest way would be to open your Character Map.
Step-by-step explanation:
Windows: How do I view a Character Map?
To start Character Map and see all the available characters for a particular font, click Start, point to Programs, point to Accessories, point to System Tools, and then click Character Map.
Mac OS: The easiest is to display the Mac OS Characters palette – just press [Command] + [Option] + [T], or [⌘] + [⌥] + [T]. You can then browse through various symbols and special characters, and simply double-click anyone to insert it into your current document.