Windows & Laptop / Free troubleshooting tool
Slow PC Troubleshooting Wizard
Find common reasons for slow Windows computers.
Slow PC Troubleshooting Wizard
Find common reasons for slow Windows computers.
How to use this tool
Follow the steps above. Browser tests run locally when possible; other tasks provide practical troubleshooting guidance rather than claiming to scan your computer or network.
Important limitations
Results depend on your device, permissions, Windows version and network configuration. Back up important files before system changes and consult your device manufacturer for hardware repairs.