 <p>You can do the following:</p> <ol> <li><p>Right click on the file and choose "View History"</p> <p><img src="https://i.stack.imgur.com/8AkWF.jpg" alt="enter image description here"></p></li> <li><p>On the history tab choose the two revisions you'd like to compare</p> <p><img src="https://i.stack.imgur.com/Fx0oG.jpg" alt="enter image description here"></p></li> <li><p>Finally click on one of the selected revisions and choose "Compare..."</p> <p><img src="https://i.stack.imgur.com/hO26h.jpg" alt="enter image description here"></p></li> </ol>