How can I clean up my computer to help speed it up?

1. Delete unnecessary files and programs.
2. Uninstall unused applications or programs.
3. Run disk clean-up to remove temporary and system files.
4. Reduce the number of applications running at startup.
5. Check for viruses, malware, and spyware.
6. Defragment your hard drive.
7. Update drivers, operating system, and other software.
8. Adjust visual effects for best performance.
9. Clean up your desktop by deleting shortcuts you don’t use.
10. Increase RAM if possible.