1. Keep your operating system and applications up to date.
2. Scan for viruses and malware regularly and remove any found.
3. Make sure you have enough RAM to run the applications you need.
4. Disable unnecessary startup items and services.
5. Clean up your hard drive by regularly deleting unneeded files.
6. Use disk defragmentation to improve file access times.
7. Monitor background programs and disable those you don’t need.
8. Reduce visual effects and adjust your power settings.
9. Switch to a solid state drive (SSD) or upgrade your existing hard drive.
10. Shut down or hibernate your computer when not in use.