Stop leaving your PC open for people to see ...

An icon in the shape of a lightning bolt. Impact Link You can't accuse Windows of not giving you enough ways to lock your computer. In addition to locking it from the Start menu, letting it lock ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...