How can I reduce lag on my computer?

1. Close unnecessary programs and applications.
2. Update your graphics card driver.
3. Turn off visual effects.
4. Adjust your power settings.
5. Clean up your hard drive.
6. Increase virtual memory.
7. Increase your RAM.
8. Lower in-game graphics settings.
9. Connect to a wired connection instead of using wireless.
10. Use an Ethernet connection instead of WiFi.