What settings should be enabled in Internet Explorer to allow a user to receive the certificate pop-up on downloaded content?

(My Original Blog Post: What settings should be enabled in Internet Explorer to allow a user to receive the certificate pop-up on downloaded content?)
In order to receive the certificate pop-up when the file is downloaded, you will need to enable the feature.

Enable Check for Signatures

Open the Tools menu in Internet Explorer and click Internet Options. Click the Advanced tab.

Scroll to the bottom and verify that the option Check for signatures on downloaded programs is checked in the Security section.

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