You don't need to install anything or do anything special just create a user in our website (click on "Sign Up" on top menu) then go and check your email we will send two codes to you, one is your ID in our website and the other is a secret key for withdrawing don't loose it.
To mine just open our website put in your ID then click on Start Mining then you'll see the mining tool select the coin you want to mine and then click on "Start" if you want to you can change the Throttle & the amount of Threads that are used for mining. After clicking on "Start" you can do anything you want with your device, just make sure that you don't close the tab thats mining in our website in your browser.