When you first install a client tool, a pop-up will appear to confirm whether you want to enable auto-updates. You can select the checkbox in this pop-up to enable auto-updates.
The procedure below outlines the procedure to manually enable auto-updates after installing a client tool.
To enable auto-updates for installed client tools:
Open DigiCert ONE Clients.
Locate the client tool that you want to enable auto-updates for.
Select the menu icon (⋮) > Enable auto-updates.