Installing Android software is most challenging task while learning Android Apps Development. It takes times - from 30 minutes to 90 minutes to forever - depending on your programming knowledge and configuration of Device. Following is the minimum configuration , your device should have

Please visit following link to download android studio for Windows OS, Mac OS, Linux OS and Chrome OS
Android Studio Download
Please visit following link for step by step installation of android studio for Windows OS, Mac OS, Linux OS and Chrome OS
Step By Step Installation