If I install the Bitcoin progam on my computer, that simply means that I will be mining Bitcoins over time? I installed the Bitcoin progam on my computer, does that simply means that I will be mining Bitcoins over time?

Otherwise what are the ways to mine Bitcoins?
No, the Bitcoin software allows you to receive, hold and send bitcoins. To mine you need specific hardware and software - for most people it is not recommended to bother.