To unblock pop-ups on Safari on your Mac, please follow the instructions in the Apple article below: 

Allow pop-ups in Safari on Mac

Where it says to 'Block' or 'Block and notify' the pop-ups for the website, please ensure that you change the drop down to 'Allow' on ours: https://lms.highfieldelearning.com/

We recommend that you block pop-ups again once you have stopped using our site.