'gradle' is not recognized as an internal or external command

Following steps need to be followed for fixing: "'gradle' is not recognized as an internal or external command" error.

1.  Download the zipped file of Gradle from https://services.gradle.org/distributions/gradle-2.8-all.zip. 
2. Unzip them and place them in your Windows machine at any specific location. For e.g. “C:\Program Files\”. 
3. Click on the Windows button at the left bottom of the desktop. 
4. Right-click on “Computer” and click on “Properties”. This will open the Control Panel. 
5. Click on “Advanced System settings” and then click on “Environment Variables” button. 
6. Click on “New…” button under the “System Variables” section and enter Variable name as ‘GRADLE_HOME’. 
7. Provide the path of the Gradle file as Variable value, i.e. C:\Program Files\gradle-2.8 
8. Click OK. 
9. Select “path” variable under the “System Variables” section and click on “Edit” button. 
10. Go to the end of variable value and add “;%GRADLE_HOME%\bin” and click on “OK” button. 
11. Press “Windows + R” and type ‘cmd’. Click OK. 
12. Type the command “gradle –v” on the command prompt. 
13. Now the screen displays the version of the Gradle. This means that the Gradle is successfully configured on the given Windows machine.