This Video will show you:
A step-by-step description of what to do to Add Keyboard Input Languages and Switch Between Languages In Mac OS X El Capitan watch the video or follow this steps: Step
1. Click on “Apple Logo”, and then click on “System Preferences”
2. In “System Preferences”; click on the “Keyboard” icon.
3. In “Keyboard” tab; click on the “Input Sources” Bottom.
4. Scroll down using the bar on the right, and when you have found your desired language, click on the check box on the left to activate it.
5. Back to “Keyboard tab”
6. In “Keyboard” tab; click on the “Keyboard Shortcuts” tab
7. Click on the Keyboard & Text Input
8. Check Select next source in input menu
9. The Default Keys to Switch Between Languages is “Command+Space”.
10. Now you should see the changes.