1. Uninstall unnecessary programs and files.
2. Update your operating system and software.
3. Disable unneeded startup programs.
4. Increase RAM if possible.
5. Defragment your hard disk drive.
6. Install an appropriate antivirus program.
7. Clean up your hard drive by removing temporary files.
8. Use a disk cleanup utility to remove unwanted software.
9. Make sure your graphics card driver is up to date.
10. Overclock your CPU and GPU if possible.