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.

According to a CNET survey, just over three in 10 (31%) US adults hang onto old devices because they are unsure what to do with them. Nearly one-fifth (19%) of those surveyed simply throw them away.

Learning PC building basics gives users more control over performance, upgrades, and overall value compared to many prebuilt systems. Whether creating a work machine or a gaming PC build, choosing ...