1. Restart your computer regularly.
2. Uninstall any unnecessary software.
3. Make sure your hard drive has enough free space.
4. Keep your operating system and software up to date.
5. Consider adding more RAM.
6. Close all unnecessary background processes.
7. Clean up your desktop.
8. Install an anti-virus program.
9. Run disk defragmenter/disk cleanup regularly.
10. Disable visual effects.