How-To Guides
Andrew Armstrong
Andrew Armstrong is a UK-based IT professional with 26+ years of hands-on experience in Windows, Windows Server, SCCM/ConfigMgr, Active Directory, PowerShell, and enterprise infrastructure.
He founded TechyGeeksHome in 2010 and has published over 1,500 practical guides covering real-world IT problems and solutions. When not solving IT problems,
Andrew develops free Windows utilities including Ultimate Settings Panel, which has been downloaded over 850,000 times.
How-To Guides
How-To Guides
How to Deploy Adobe Reader Updates Through ConfigMgr in 2026
How-To Guides
Using USMT for User State Migration in ConfigMgr OSD (2026 Guide)
How-To Guides
Fixing Sysprep Fatal Errors When Capturing a Windows 11 Reference Image
How-To Guides
ConfigMgr Client Stuck in Provisioning Mode? Here’s the Fix
How-To Guides
How to Properly Decommission a Domain Controller (Server 2022/2025)
How-To Guides
How Office Activation Works in 2026 (LTSC 2024, Microsoft 365, Retail)
How-To Guides
How to Download and Install Office 2024 or Microsoft 365 Apps in 2026
How-To Guides
How to Join Windows Server Core (2022/2025) to a Domain
How-To Guides
Install the GUI on Windows Server 2022/2025 Core (Full Desktop Experience)
How-To Guides
How to Configure Outlook on Windows 11 in 2026
How-To Guides