1. Close any unused programs and tabs on your computer.
2. Limit the number of applications running at the same time.
3. Clear your browser’s cache and cookies.
4. Install a RAM upgrade if your computer can support it.
5. Disable unnecessary Windows programs that run in the background.
6. Use fewer background services.
7. Perform regular disk cleanups.
8. Uninstall any unnecessary programs or apps.
9. Run anti-malware and anti-virus scans to remove harmful programs.
10. Defragment your hard drive.