Solution Steps

1. Restart your computer regularly.
2. Close unnecessary programs and browser tabs.
3. Delete temporary files: Disk Cleanup (Windows) or Optimize Storage (Mac).
4. Uninstall unused programs and apps.
5. Check startup programs: Disable unnecessary ones.
6. Update software and operating system.
7. Run antivirus scan to remove malware.
8. Upgrade RAM or SSD if computer is very old.