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, Intune, Active Directory, PowerShell and enterprise infrastructure.
He founded TechyGeeksHome in 2010 and has published 770+ practical guides to real-world IT problems. He also builds free Windows utilities, including Ultimate Settings Panel, which has been downloaded over 850,000 times.
How-To Guides
How-To Guides
How to Sysprep a Windows 11 Reference Machine for WDS Capture
How-To Guides
How to Play Classic Windows Games (Solitaire, Minesweeper, FreeCell) on Windows 11
How-To Guides
Fixing Common WSUS Errors on Windows Server 2022/2025 (Plus: Is WSUS Still Supported?)
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