Use built-in Windows tools like the Troubleshooter to fix common problems on your computer. You can check your memory with the Windows Memory Diagnostic tool to solve lagging issues. Tools like ...

Most people don’t actually know what’s inside their PC—this lightweight tool quietly shows everything that matters.

Diagnostic apps aren’t the most exciting programs on your computer, but they’re important to keep in your PC toolkit. Whether you need to diagnose a slow PC, want to make sure you’re getting the full ...