Open git bash with admin privilege.
cd "C:/Program Files/Git/usr/share/mintty"
mkdir -p emojis
cd emojis
curl https://raw.githubusercontent.com/wiki/mintty/mintty/getemojis > getemojis
./getemojis -d
Then edit settings via gui:
Or .minttyrc
(only EmojiPlacement & Emojis are relevant):
Transparency=low
BackgroundColour=29,37,46
Font=Fira Mono for Powerline
Columns=120
Rows=32
FontHeight=10
ThemeFile=dracula
EmojiPlacement=middle
Emojis=windows
Locale=
Charset=