The lights are on
Need way more to go on than that. I dont think they made a 2ghz i7, the lowest i think was 2.6 ghz. (other than maybe a laptop version). We also need to know how much memory (ram) you have and what GPU.
You can also try this. www.systemrequirementslab.com/cyri its not 100% accurate, as it does not know how much of your system is being used up by background programs. If you are right at the minimum or just above I would stay away from it.