How Do I Start Tracking Changes?

Click on your drafts tab
Click the three dots to the left of your primary draft and select 'start tracking changes'
Give your changes a description and click the slider to turn on change tracking.
Anything you write will turn blue and in the drafts tab there will be footprints to show where you are tracking changes.
Turn off change tracking by clicking the three dots to the left of your primary draft and select 'Stop tracking changes' and selecting 'OK' on the popup.