Complex sentence: To combat redistribution of the small downloadable emulator, the user had to buy the Bleem!-CD, containing about 35 MB of data: a DirectX distributable and the actual version of Bleem! available at the time of the CD's printing.
Split into simpler sentences: To combat redistribution of the small downloadable emulator, the user had to buy the Bleem!-CD. A CD containing about 35 MB with a DirectX distributable and the actual version of Bleem! available at the time of the CD's printing.