Group Policy Courses

Active Directory and Group Policy
Black Hat via YouTube

Securing Windows with Group Policy
YouTube

STRC - The Security Training and Research Cloud
YouTube

MD-102 Examine application management
Microsoft via Microsoft Learn

MD-100 Troubleshoot hardware and drivers
Microsoft via Microsoft Learn

Maintain system administration tasks in Windows PowerShell
Microsoft via Microsoft Learn

MD-100 Configure post-installation settings and personalization
Microsoft via Microsoft Learn

Windows Server 2012 R2: Configure Group Policy
Pluralsight

Windows Server 2012 R2: Deploy and Manage Servers
Pluralsight