1. Make sure your computer is free of viruses and malware by running regular scans.
3. Add more RAM if possible.
4. Check for updates to your operating system and installed programs.
5. Use a disk cleanup tool to clear out temporary files and junk.
6. Disable any unnecessary startup programs.
7. Defragment your hard drive regularly.
8. Close any unnecessary browser tabs and programs.
9. Switch to a lightweight antivirus program.
10. Consider a SSD (solid state drive) upgrade.