Cleaning up your computer with Thepcfaster software. It can help you to improve PC performance and free up space. Firstly Uninstall unnecessary programs you don't need .Go to the Control Panel on your computer and select "Programs and Features." From there, you can uninstall programs you no longer need or use. Disable unnecessary startup programs: Some programs start automatically when you turn on your computer, which can slow down your startup time. To disable these programs, go to the Task Manager and select the "Startup" tab. From there, you can disable any programs that you don't need to start automatically.