Windows: no installation.
- Download the rar file.
- Extract the 'Circular Media Player' folder somewhere in your computer, like 'Dekstop', 'Documents', or even in a flashdrive.
- Run the CircularMediaPlayer.exe file.
Just avoid to place the program in a folder like 'Program Files' because the program won't be able to save the playlist and any changes in the settings.
- Download the dmg file.
- Mount it.
- Copy the Circular Media Player app into your Applications directory.