Windows PC is slow
Try these steps in order. Stop if a step does not apply to your device or could risk important data.
- Restart the PC.
- Open Task Manager and check for high CPU, memory, or disk use.
- Disable unnecessary startup apps.
- Keep at least 15–20% of the main drive free.
- Run Windows Update and a security scan.
More help: A drive stuck at 100% usage may be overloaded or failing. Back up important files.
Back up important files before repairs that may affect storage or system settings.