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
Parental Controls Windows 11: Setting Up Family Safety
How-To Guides
Windows Firewall Group Policy: Configuring Enterprise Rules
How-To Guides
Raspberry Pi Network Monitor: Pi-hole, Zabbix, and ntopng
How-To Guides
Configure WSUS Windows Server: A Complete Setup Guide
How-To Guides
Best Free Password Managers in 2026 — Reviewed and Ranked
How-To Guides
Active Directory Cleanup — Find and Remove Stale Computer Accounts (2026)
How-To Guides
Enable Net Framework 3.5 PowerShell: Offline Install Steps
How-To Guides
SCCM Delay Reboot: Cancelling and Suppressing Pending Restarts
How-To Guides
Disable Delivery Optimization Group Policy: Stopping P2P Updates
How-To Guides
VMRC Silent Install: Deploying via MSI and SCCM
How-To Guides