1. Use a disk cleanup utility like CCleaner to remove unnecessary temporary files and invalid registry entries that can slow your computer down.
2. Use a reliable antivirus program like Avast or Malwarebytes to ensure your system is safe from viruses and other malicious software.
3. Install a RAM cleaner like Memory Boost Pro to free up RAM and improve the performance of your system.
4. Update your drivers and make sure they are the most current version.
5. Uninstall any unused programs and delete any unnecessary files.
6. Defragment your hard drive to optimize the read and write speeds.
7. Limit the number of applications running in the background, as too many can slow your PC down.