Setup Kotlin in Android

Get started with Android Studio
Android Studio is Google's officially supported IDE for developing Android apps. This IDE is based on IntelliJ IDEA, which offers a powerful code editor and developer tools. Android Studio 3.2.1 includes the following features:

A flexible Gradle-based build system
A fast and feature-rich emulator
A unified environment where you can develop for all Android devices
Instant Run to push changes to your running app without building a new APK
Code templates and GitHub integration to help you build common app features and import sample code
Extensive testing tools and frameworks
Lint tools to help you catch performance, usability, version compatibility, and other problems
C++ and NDK support
Built-in support for Google Cloud Platform, making it easy to integrate Google Cloud Messaging and Google App Engine
Plugin architecture for extending Android Studio via plugins
Download Android Studio
Google provides Android Studio for the Windows, Mac OS X, and Linux platforms. You can download Android Studio from the Android Studio homepage, where you'll also find the traditional SDKs with Android Studio's command-line tools. Before downloading Android Studio, make sure your platform meets the following requirements:

Windows requirements
Microsoft Windows 7/8/10 (32-bit or 64-bit)
3 GB RAM minimum, 8 GB RAM recommended (plus 1 GB for the Android Emulator)
2 GB of available disk space minimum, 4 GB recommended (500 MB for IDE plus 1.5 GB for Android SDK and emulator system image)
1280 x 800 minimum screen resolution
Mac OS requirements
Mac OS X 10.10 (Yosemite) or higher, up to 10.13 (High Sierra)
3 GB RAM minimum, 8 GB RAM recommended (plus 1 GB for the Android Emulator)
2 GB of available disk space minimum, 4 GB recommended (500 MB for IDE plus 1.5 GB for Android SDK and emulator system image)
1280 x 800 minimum screen resolution
Linux OS requirements
GNOME or KDE desktop. Tested on Ubuntu 14.04 LTS, Trusty Tahr (64-bit distribution capable of running 32-bit applications)
64-bit distribution capable of running 32-bit applications
GNU C Library (glibc) 2.19 or later
3 GB RAM minimum, 8 GB RAM recommended (plus 1 GB for the Android Emulator)
2 GB of available disk space minimum, 4 GB recommended (500 MB for IDE plus 1.5 GB for Android SDK and emulator system image)
1280 x 800 minimum screen resolution
Once you've ensured that your operating system is compatible with Android Studio 3.2.1 or higher, download the appropriate Android Studio distribution file. The Android Studio download page auto-detected that I'm running a 64-bit Windows operating system and selected android-studio-ide-181.5056338-windows.exe (927 MB) for me to download.

Android SDK command-line tools
android-studio-ide-181.5056338-windows.exe includes an installer and the Android SDK command-line tools. If you don't need or want to use Android Studio, you can download only the Android SDK command-line tools.

Installing Android Studio on 64-bit Windows 10
I launched android-studio-ide-181.5056338-windows.exe to start the installation process. The installer responded by presenting the Android Studio Setup dialog box