What methods can be used to speed up a PC?

1. Uninstall unused programs and delete unnecessary files.

2. Reduce the number of startup items.
3. Increase RAM by adding more memory.
4. Defragment your hard drive or use an SSD.
5. Update your operating system and software.
6. Disable visual effects.
7. Run disk cleanup tool regularly.
8. Scan your PC for malware and viruses.
9. Adjust power options.
10. Install a good anti-virus program.