Why is my PC running slow?

There are many possible reasons as to why your PC is running slow, including:

1. Not enough RAM or memory.
2. Outdated software and hardware components.
3. Too many programs running in the background.
4. Spyware and viruses on your system.
5. Fragmented hard drive.
6. Poorly configured settings.
7. Unnecessary startup items.
8. Low storage capacity.
9. Insufficient cooling.
10. Faulty hardware.