Click on the link in the email from the British Library.
On the next page, click the link to download your document.
A dialog box opens at the bottom asking “What do you want to do with [document] from cds.bl.uk?” Click Save (see the screenshot below).
The message then changes to “DRM Lite [document] finished downloading”. This means the document has successfully saved into your Downloads folder. Click Open.
Follow the instructions on the Logging In To Your Document tab.