It doesn't matter whether your computer is new or old, you should keep it well maintained because files and programs can accumulate and slow down the computer’s performance over time. Here are the following methods that you should try to speed up your computer performance.
1. Uninstall Crapware
2. Limit Startup Processes
3. Clean Up Your Disk
4. Add More RAM
5. Install an SSD Startup Drive
6. Check for Viruses and Spyware
7. Change Power Mode to Best Performance
8. Run Troubleshooters
9. Change Appearance in Performance Options
10. Turn Off Search Indexing