To install the fonts locally:
mkdir cc-symbols
mv 2020-04-19_cc-symbols.zip cc-symbols/
cd cc-symbols/
7z x 2020-04-19_cc-symbols.zip
cp ./* ~/.local/share/fonts
rm ~/.local/share/fonts/2020-04-19_cc-symbols.zip
Finally, see that they render CC symbols
fontfor U+1F16D
Font(s) support the character "🅭"(U+01F16D, 127341, 0xF0 0x9F 0x85 0xAD):
CCSymbols with 2 styles
EDIT: Oh, one more thing, don't forget to update your font cache. So, your computer can lookup the font to render it.
fc-cache
Reboot and be happy under Creative Commons.