%APPDATA%\alacritty\alacritty.toml if alacritty.toml does not exist create it
- Themes Source
Copy all theme folder into the alacritty config location
Copy the content of the desired theme and paste it at the buttom of alacritty.toml

# or you can run the following one-liner
echo ./themes/{theme}.toml >> ./alacritty.toml

Install Iosevka Nerd Font if other font is used, edit alacritty.toml
- Iosevka Source