20 Tips to improve PC performance in Windows 10 -

1.Make sure you have the latest updates for Windows and device drivers.

2.Restart your PC and open only the apps you need.

3.Use ReadyBoost to help improve performance.

4. Make sure the system is managing the page file size.

5.Check for low disk space and free up space.

6.Adjust the appearance and performance of Windows.

7.Pause OneDrive syncing.

8.Disable unnecessary startup programs.

9.Check for and remove viruses and Malware.

10.Restore your PC from a system restore point.

11.Uninstall non-essential apps/programs.

12.Run defragmentation tool.

13.Disable system visual effects.

14.Use Disk Clean-up tool for cleaning temporary files.

15.Change power plan to better performance.

16.Increase page file size.

17.Disable Background apps.

18.Turn off the service of Window defender.

19.Clean up the temporary files.

20.Check for error showing programs/apps and try troubleshoot to repair the programs.

If you do not understand any tips, then you can search about that tips from Google in details.