Go to app.tessalink.com and log in with your email and password
On the left hand menu, expand the “Asset Management” section
Enter the asset number if you know it. Otherwise narrow down your search with the options available. When you are ready, click the blue search button
Next to the assets you want the certs for, click the checkbox
At the top of the page, click mass actions
Hover over "Get Cert"
Choose the type of download you want. PDF will put all of the certifications on the same page, while ZIP will save each as its own file and put all of those files into one zipped folder for you.