Installed Cakewalk - no sound

Question

I installed Cakewalk Home Studio 7.0 on a new PC. Once installed I opened one of the provided songs. No sound. The speakers work. Cakewalk does not have the Realdek sound card in the MIDI devices section. It only has Microsoft Wavetable GS Synth and Microsoft MIDI Mapper.

What do I need to do to fix this problem