Oct 14, 2025 · PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems.

In the Windows Security app on your PC, select Device performance & health or use the following shortcut: Device performance & health

Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. Here's a few of the more common ones.

Hardware Diagnostic provides color-coded information to identify values or issues with hardware devices or software. The following color key is used in Hardware Diagnostic:

Learn how Microsoft collects and uses different kinds of diagnostic information to help fix problems quickly and improve your Windows experience, and how to control the data you share.

Shows detailed information about your Wi-Fi adapter including the adapter’s capabilities, the Wi-Fi profiles on your PC (not including security keys or passwords), and a list of the Wi-Fi networks that …

L’application Contrôle d’état du PC vous permet de consulter des informations à jour sur l’état de votre appareil Windows, ce qui vous aide à améliorer les performances de votre appareil et à résoudre les …

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Find out which version of DirectX is on your computer so you can help your game or multimedia software to work properly.

Oct 14, 2025 · Fix-it tools aren’t used in Windows 10. Instead, use a troubleshooter to help solve problems with your PC.