There are some situations where you'll wish you had one.

Migrate your OS to an SSD for faster performance and reliability. Learn step-by-step methods to clone or reinstall Windows safely without data loss.

There are a bunch of tools that let you load an operating system onto a USB flash drive, allowing you to boot from that drive and either run or install the OS. But most of those tools are only ...

Until operating systems start fast and sleep soundly, Linux-based "pre-boot" operating environments are good solutions. Too bad nobody uses them. Rafe Needleman reviews mobile apps and products for ...

A secure operating system that can be carried around on a flash drive will be unveiled at the Infosecurity conference in London later this month. Trusted Client is an encrypted operating system that ...

You can have your new Microsoft operating system and keep your old one, too—here's how. I've been testing PC and mobile software for more than 20 years ...