Please see this page for Android Studio Stable versions.
Feb 17, 2017: Android Studio 2.3 RC 1 includes a several important bug fixes..
The release is available in the canary channel, so you can check for updates via Help > Check for Update... (on OSX, look in the Android Studio menu). This will download and install a patch rather than download a full IDE image.
64-bit Windows: https://dl.google.com/dl/android/studio/ide-zips/22.214.171.124/android-studio-ide-162.3742087-windows.zip (428.7 MiB)