Install Gradle on Windows

First, please make sure you have PowerShell installed on your Windows machine.
And run the following commands:

Set-ExecutionPolicy RemoteSigned -scope CurrentUser

iex (new-object net.webclient).downloadstring('https://get.scoop.sh')

scoop install gradle

And then you can run  gradle --version

if you see something like:
Build time:   2017-04-10 13:37:25 UTC
Revision:     b762622a185d59ce0cfc9cbc6ab5dd22469e18a6

Groovy:       2.4.10
Ant:          Apache Ant(TM) version 1.9.6 compiled on June 29 2015
JVM:          1.8.0_131 (Oracle Corporation 25.131-b11)
OS:           Windows 10 10.0 amd64

This means the Gradle has been installed on your computer successfully.