1. Uninstall unnecessary programs that are not being used.
2. Run disk clean up to delete temporary files, and clear out any system memory.
3. Disable startup items and applications to free up more system memory and resources.
4. Update all the drivers on your computer to ensure they are running at peak efficiency.
5. Change the power plan options in Windows to optimize performance.
6. Upgrade or replace hardware components that are outdated or underperforming.
7. Add more RAM or upgrade the memory.
8. Install a good antivirus program and keep it updated.
9. Defragment the hard drive to rearrange data and improve loading times.
10. Run regular virus scans to prevent malicious software from slowing down your PC.