How to make an old PC useful for someone else | Ask an expert

A couple software changes and one key hardware update is really all you need to revive an older machine.
Outdated, obsolete computer systems in need of updating display binary code.
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Alaina Yee is PCWorld's resident bargain hunter—when she's not covering PC building, computer components, mini-PCs, and more, she's scouring for the best tech deals. Previously her work has appeared in PC Gamer, IGN, Maximum PC, and Official Xbox Magazine. You can find her on Twitter at @morphingball.

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