Apple - Is there a way to automatically change my keyboard language when I switch between windows on macOS?

Follow these steps to changing your keyboard language dynamically:

1. Open up System Preferences. This should be in your /Applications folder.

2. Click on "Keyboard":

   

3. Click on the "Input Sources" tab:

   

4. You should see a checkbox titled "Automatically switch to a document's input source". Check that checkbox and you're done!