Windows 10 version 1703 and later provides the latest antivirus protection with Windows Defender Security Center, which contains Windows Defender Antivirus. When you start up Windows 10 for the first time, Windows Defender Antivirus is on and actively helping to protect your device by scanning for malware (malicious software), viruses, and security threats.
Windows Defender Antivirus uses real-time protection to scan your downloads and the programs you run on your device. Also, Windows Update downloads updates for Windows Defender Antivirus automatically to help keep your device safe and protect it from threats.
Starting with Windows 10 version 1709, you can add information about your organization in a contact card to the Windows Defender Security Center app. This can include a link to a support site, a phone number for a help desk, and an email address for email-based support.
This contact information can also be shown in some notifications (including those for Windows Defender Exploit Guard, the Block at first sight feature, and potentially unwanted applications.
Users can click/tap on the displayed information to initiate a support request:
This tutorial will show you how to add support contact information to the Windows Defender Security Center app and its notifications for all users in Windows 10.