1. Regularly maintain and update software applications, drivers and operating systems.
2. Defragment your hard drive occasionally to optimize disk performance.
3. Clean up your system with a disk cleanup or disk defragmenter utility.
4. Make sure you have enough RAM installed on your computer and upgrade if necessary.
5. Disable background tasks and programs that take up CPU resources.
6. Uninstall programs that you no longer use and delete temporary files.
7. Use a reliable anti-virus software to protect against malicious software.
8. Avoid overheating by using proper cooling systems and keeping air ducts clean.
9. Keep the number of browser tabs open to a minimum.
10. Monitor the performance of your computer with a monitoring tool.