We tested 10 programs for PC system utilities and repair that cover a wide price range to determine which one is the best for most people’s computer repair or optimization needs. Our overall winner is Glary Utilities Pro 5. It significantly sped up our test computer’s bootup process and improved all-around performance, word and data processing, graphics processing and video chat. It’s packed with advanced tools and is easy to install and use. It can even be used on up to three computers.