PC optimization is very important for every single computer out there. It does wonders in making the computer run longer, all while preventing the appearance of malware, bugs, and even viruses in some cases.

Unfortunately, most PC users never actually clean their computers. They do not even know what it implies as they consider the physical act of cleaning a surface. In reality, PC cleaning and optimization is all about boosting computer speed, increasing productivity, and removing unwanted files, videos, audios, and unused files.

Fortunately, there are numerous freeware software programs you can use to fine tune and optimize your computer. We picked the very best to consider and even included a direct download link to make it very easy for you.

Advanced System Optimizer

Advanced System Optimizer stands out as a very powerful optimization and cleanup software you can use for any version of Windows. It is definitely among the best at making your PC run a lot faster and cleaning up your hard drive.

Main Features:

  • Quick optimization of all important parts of the computer, from windows programs to registry entries.
  • Automatically closing all programs that are not necessary for you.
  • Gaming mode to offer distraction-free gaming.
  • Automatically update computer drivers.
  • Free browsing protection against malware and ad blocker.
  • Reduced system crashes.
  • RAM optimization.

IObit Advanced SystemCare Free

IObit’s Advanced SystemCare is by far one of the best programs to use when you want to clean, optimize, speed up, and protect your computer. At the same time, Advanced SystemCare allows you to be protected on the internet.


  • Automatically free RAM by disabling programs and optimizing those that are active.
  • Clean junk files to quickly free up some disk space.
  • Manage startup items so computer startup is quickly boosted.
  • Block untrusted programs.
  • Protect your online browsing.
  • Automatically improve your gaming experience.


FixMyPC can repair, secure and optimize the PC really fast. The freeware tool fixes most Windows issues with a simple click of your mouse.


  • Automatically disable background apps that are not necessary and needlessly consume computer resources.
  • Remove unwanted, unnecessary clutter.
  • Remove bots, spyware, trojans, adware, and worms.
  • Cleans online tracks and protects internet privacy.
  • Assembles fragmented files.
  • Boost PC performance by tweaking the system.
  • Registry cleaner.

Auslogics BoostSpeed

Auslogics is a name that you might not know but its BoostSpeed tool is a very good option for anyone looking to optimize and clean their PC. The program checks the system and files all junk files, issues that reduce speed and problems that can cause software crashes.


  • Automatically clean temporary files, web browser cache, unused error logs, and junk files.
  • Adjusts internet connections for faster downloads and smoother browsing.
  • Real time protection to detect and remove problems while keeping the system running at a very high speed.
  • Automatic processor and memory management.
  • Eliminating activity traces and sensitive information protection.

Wise Care 365 Free

This freeware program allows you to securely clean up the unusable files on your computer, while you also boost computer speed and performance. Various custom selection options are available so that you can clean up the files that are no longer necessary.


  • Clean all traces that you browsed the internet, including history so your privacy is protected.
  • Automatic disk cleaning based on your schedule.
  • Update software automatically
  • Easily defragment your computer’s hard disk.