!!better!! Download - Android Studio 2.1.1

: You must use Gradle 2.14.1 or lower. Newer Gradle versions break compatibility.

Always download from the official Google archive, verify checksums, and isolate your environment from newer Android toolchains. Remember: use version 2.1.1 for what it was built for, but keep one eye on the future. android studio 2.1.1 download

The most reliable way to obtain this specific version is through official channels to ensure the package hasn't been tampered with. : You must use Gradle 2