At the time of writing, the version of Android Studio that comes bundled with full Kotlin support is Android Studio 3.0. The canary version of this software can be downloaded from https://developer.android.com/studio/preview/index.html. Once downloaded, open the downloaded package or executable and follow the installation instructions. A setup wizard exists to guide you through the IDE setup procedure:

Continuing to the next setup screen will prompt you to choose which type of Android Studio setup you'd like:

Select the Standard setup and continue to the next screen. Click Finish on the Verify Settings screen. Android Studio will now download the components required for your setup. You will need to wait a few minutes for the required components to download:

Click Finish once the component download has completed. You will be taken to the Android Studio landing screen. You are now ready to use Android Studio: