Foundational technology skills explained step by step: backups, installation media, IP addresses and more.
3 guides in this category
Protect your files from hardware failure, theft and ransomware with the 3-2-1 backup rule. Learn what to back up, how to use Windows tools, cloud storage and external drives, and how to test restores.
Create a bootable Windows 11 installation USB with Microsoft's Media Creation Tool, then boot from it to reinstall or repair Windows – with requirements, BIOS tips and troubleshooting.
Find your private and public IP address and your device's MAC address on Windows, macOS, Android and iPhone, and understand the difference – including private (random) Wi-Fi addresses.
