Go to the Employees tab and click the name of the chosen user, select or

at the chosen employee and click edit. You will see the given user’s profile.

Now, hover your cursor over the avatar of that person and click

Click the area of the pop-up window or drag the photo to that area.

Now, holding the left mouse button on the selected photo, crop it. You can also use the button “+” to zoom in or “-” to zoom out. Then, click  to accept and the  button. And done! The photo has been added.