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

Enable BitLocker Windows 11: PowerShell and Group Policy

Best Free Microsoft Office Alternatives in 2026

SCCM Hardware Inventory: Custom Classes and Collections (2026)

How to Speed Up Google Chrome: 8 Proven Tips (2026)

Parental Controls Windows 11: Setting Up Family Safety

Windows Firewall Group Policy: Configuring Enterprise Rules

Raspberry Pi Network Monitor: Pi-hole, Zabbix, and ntopng

Configure WSUS Windows Server: A Complete Setup Guide

Best Free Password Managers in 2026: Reviewed and Ranked

Active Directory Cleanup: Find and Remove Stale Computer Accounts (2026)

Enable Net Framework 3.5 PowerShell: Offline Install Steps

SCCM Delay Reboot: Cancelling and Suppressing Pending Restarts