1. Delete temporary and downloaded files.
2. Uninstall programs you no longer use.
3. Delete duplicate files.
4. Move large files to an external hard drive or cloud storage.
5. Use a disk cleanup tool to remove Windows temporary files and other unnecessary data.
6. Enable the Windows built-in disk compression tool.
7. Clean up your system registry.
8. Disable hibernation.
9. Remove old system restore points.
10. Use a Disk Defragmenter to accelerate file access.