The location and name of the command line is operating system dependent as described below:
Search for Command Prompt in Windows Task bar
Go to installation folder, e.g. cd "C:\Program Files\Jthink\SongKong"
Run SongKong64.bat with required option
In Finder select Applications:Utilities and select Terminal
In Terminal navigate to SongKong's bin folder e.g. cd /Applications/SongKong.app/Contents/bin
Run ./songkong.sh with required option
cd $HOME/songkong
Run ./songkong.sh with required option