Learn how to safely use or repurpose your old computer, even if it's no longer receiving Windows updates. Discover security tips and creative new uses.

First, try these steps to clean up your old computer, and it may feel brand-new once again. Back to top. Step 1: Give it a quick dusting. Rozette Rago/NYT Wirecutter.

Some well-chosen upgrades can breathe new life into an old computer. While this is going to cost you money, it won’t cost as much as a full upgrade would—and it could mean you get several ...