What programs should I stop running to speed up my PC?

1. Unnecessary startup programs

2. Unused programs and applications
3. System services you don’t need
4. Uninstalling bloatware
5. Disk Cleanup tools
6. Scanning for malware
7. Clearing web browser caches
8. Adjusting your power settings
9. Defragmenting your hard drive
10. Updating your drivers and operating system