AOL Computer Cleanup does a solid job of boosting the performance of worn PCs, but its license limitations makes it hard to recommend in multi-PC households. Satisfactory tune-up results. Easy to use.

Time is money—but so are repairs, replacements, and recovery programs. When was the last time you gave your computer a thorough checkup? Not many people give their Macs and PCs the TLC they need: ...

If you're a hardware geek who absolutely must know every bit of information about your PC and attached hardware, including performance statistics, then Dr. Hardware ($30, 30-day free demo/trial with ...