1. Update your operating system and applications.
2. Clean up your disk by removing large and unnecessary files.
3. Delete your web browser history and cache.
4. Use a disk defragmenter to improve your disk performance.
5. Remove any unnecessary programs from startup.
6. Scan your computer for malware and viruses.
7. Decrease the number of programs running in the background.
8. Increase the amount of RAM installed.
9. Check for cooling problems such as dust build up and cooling fan issues.
10. Install a solid-state drive (SSD) in place of your hard drive.