You can add a link in the Instructions for Students section. This can be the link to the exam or to a page with additional information that the candidates will require to complete their exam.
You can add the link by selecting the link icon, as shown below.
A pop up window will appear where you can place the URL and choose the text and title to display.
The text and URL will then be added and displayed on the text box where you can edit the instructions further on:
To edit or remove the link, you need to select the text and click on the link icon :
In the pop up box, you can modify accordingly and, then, click Save: