To set up Android Studio for Android, Mac, and Windows, follow these steps:
Go to the Android Developers site by visiting http://developer.android.com.
Click on Android Studio, where you will be directed to the landing page. Your operating system's version will be detected automatically:
Accept the terms and conditions of the Software Use Agreement and click on Download:
For Mac, double-click on the downloaded file, follow the prompts, and then drag the Android Studio icon into your Applications folder:
For Windows, open the downloaded file, and then go through the Android Studio Setup Wizard to complete the install.