There are many programs you can use to optimize your PC, but some of the most popular options include:
1. CCleaner
2. Glary Utilities
3. Advanced SystemCare
4. Auslogics BoostSpeed
5. IObit Advanced SystemCare
6. Wise Care 365
7. Auslogics Disk Defrag
8. Defraggler
9. TuneUp Utilities
10. Registry Cleaner Pro