You can now close the "Digital ID and Trusted Certificate Settings" and "Preferences" windows.
You can now use this certificate to sign PDF documents. A pencil icon will appear to the left of your entry in the certificate list (Fig.From the pencil’s pulldown menu, click on "Use for Signing" (Fig.Once you have validated the information above, click the down arrow on the pencil icon in the toolbar above the certificate list (Fig."Valid to:" the expiration date of the certificate.