Hi !
You can check the idex menu on the left of your screen to see which activities are completed or not (white dot = activity not completed, green dot = activity completed):
You can check the idex menu on the left of your screen to see which activities are completed or not (white dot = activity not completed, green dot = activity completed):

Also, inside each activity, you can fin a validation indicator icon at the end (grey icon= activity not completed, green icon = actovity completed)


I hope this might help !
Kind regards