1. Press the Windows key and type "Language". Open the Language Settings Dialog box. You can also open the settings menu -> Time & Language -> Language.

2. Select the language where you want to add the layout (e.g. English or Spanish), then click 'Options'. 

3. Click "Add a keyboard"

4. Select the keyboard layout that you want to use.

Now you've enabled the keyboard layout that you wanted. To switch between layouts, press left Ctrl + left Shift. You can also click on the language picker in the right corner of the taskbar.