Assuming you’re using windows:
1. hit the key combination windows+r (windows key and r at the same time)
this should open a “run dialog”
2. enter “character map” without the quotes
a new window should open full of sybols.
3. Scroll through and find the symbol (character) you want to use
4. click on the character
5. click the “select” button
6. click the “copy” button
7. click in whatever window you want to use the character
8. hit the key combination ctrl+v (this will paste they symbol)