Got an ancient laptop or desktop lying around? Here's how to transform an old PC into an NAS, experiment with a new OS, build your own security cam, and more.

This retro PC build that uses a burnt-out old monitor as a case is like an iMac on steroids.

Step-by-step assembly of a custom DIY gaming PC, showcasing essential components and process for building a personalized, high-performance computer from scratch. Pixabay, Lixxe Building a computer ...

We may receive a commission on purchases made from links. As time goes on, a cutting-edge computer will quickly lose its value as newer components are released with greater power and more features.

Don't throw those PCs away when you can re-use them in a million different ways ...

As time passes and you accrue more belongings, tech in particular, you may end up with a lot of unused old gear. You could trash it or recycle it the old-fashioned way, or you could repurpose it.

Sometimes I go longer than I intend without writing an updated version of our PC building guide. And while I could just claim to be too busy to spend hours on Newegg or Amazon or other sites digging ...