To download some ebooks, depending how you are trying to access them, you will need to install Adobe Digital Editions
Use Library Search to find ebooks.
The below video is a step-by-step guide to using the Library's catalogue, Library Search to find ebooks.
If you would like further help with your search, the Library's Academic Services team offer 1-2-1 sessions for undergraduates, taught postgraduates and researchers. Book here.