1. Update your operating system
2. Update your drivers
3. Install antivirus and anti-malware software
4. Install any available hardware or software updates
5. Uninstall any unnecessary programs or bloatware
6. Disable startup programs
7. Disable visual effects
8. Clear temporary files
9. Check disk drive for errors
10. Reduce the number of programs running at startup
11. Increase virtual memory
12. Defragment your hard drive
13. Clean up, organize, and tune up your registry
14. Change power settings to high performance
15. Close background applications when they are not needed
16. Upgrade your RAM if possible