Forza Motorsport 6: Apex Will Not Install

Recently, I had a problem where FM6: Apex would not install on my Windows 10 PC.
Here is a screenshot: https://gyazo.com/136e6c14825bb8e3d43e10caeffa9c8d
PC Specs: Core i5 6500 3.2 Ghz Processor, GTX 750Ti, 1TB HDD, 8GB DDR4

Thanks,
VernierAura7965

Are you installing to C: or another drive?

Do you have enough free space on C: ?