Please copy and paste your download URL into your browser (i.e., Safari, or Chrome, etc.). Do not try and open the link using your email app.
On clicking the link, PDF files should open by default in your browser. Please be patient; the security features included in the guides means that they can take a few seconds to prepare and download.
Zip files containing Word documents will be downloaded to your device. The save location on Android devices will vary. On IOS, guides will save by default to:
If using Chrome: Files App > On My iPhone > Chrome
If using Safari: Files App > iCloud Drive / On My iPhone (depending on whether or not you have iCloud enabled) > Downloads