Having a second or even a third monitor attached to your PC gives a helpful increase in screen space. Being able to have more windows and applications visible at once improves productivity and can reduce the stress of computer usage.

Generally, the number of screens is limited by the number of PC interfaces. Especially for laptops, which often have fewer ports than desktop/tower systems. Fortunately, the number of monitor ports can be increased by the addition of a simple adapter. For Windows users it’s easy. For Linux users, well it is quite easy too, as this article explains.