What is the quickest way to speed up my PC? By YL ComputingDecember 6, 2022Speed Up PC 1. Uninstall unnecessary programs. 2. Clear up temporary files and cache. 3. Defragment your hard drive. 4. Update your operating system and drivers. 5. Add more RAM memory if possible. 6. Disable startup programs. 7. Run a disk cleanup. 8. Adjust visual effects settings.