CDF Player 10.2 was also installed on an HP EliteBook 8560p (8 GB RAM, Windows 10 Professional 64 Bit). On this machine CDF Player is home alone (no desktop Mathematica there) and starts constantly in less than 5 seconds.
How do you access the "About CDF Player" window?
When I open CDF Player 10.2 under Windows 7, below the Wolfram CDF Player logo I only get two buttons with links to the "The Computable Document Format" and "Adopting CDF" web pages. So far I can only verify the version by looking at the executable properties.
To access "About Wolfram CDF Player":
1. Start the CDF Player, and from within it open any CDF file.
2. You will now be able to access Help. And can select About ...