Install All Android Apps and Roms In PC [windows computer, Mac]

Android is a very popular in technology. Now days its going in ultimate popularity .So today 
I will tell you to install android apps on pc  If not then today I will tell you how to download 
android apps for pc and after downloading, how to run android apps on pc? Its very easy not so tough task.We have to just use an emulator to do this job.Emulator like 
Bluestacks,  IntelAppUp Etc.