If you aren't using the Gradle Wrapper , follow these steps to install manually on Windows:
Recommended for most users; contains only the runtime. gradle 4.x download
Metadata and artifacts are now downloaded in parallel, drastically shortening the "initial build" wait time. If you aren't using the Gradle Wrapper ,
Gradle 4.x marked a major shift in the build tool's performance, introducing critical features like the and parallel dependency downloads that significantly reduced build times. Quick Download Links (Version 4.x) gradle 4.x download
Version 4.4 added support for Visual Studio 2017 toolchains. Releases - Gradle