In a web browser, go to https://cert-manager.com/customer/InCommon
You will be presented with the tool’s sign in page.
Click on the box that reads “InCommon Federated Login”
You will now be presented with the Accessing Sectigo Certificate Manager page.
In the “Please choose your home organization” dropdown. Choose “Purdue University Main Campus” and then click on the select button.
You will now be presented with the Purdue Cas/Duo sign in page. Once you sign in here, you will be signed into the InCommon/SectiGo Certificate Manager.