OSToto PC Speeder - Version 5.1.8.16 OSToto PC Speeder supports Windows 10, 8.1, 8, 7, XP, Vista. As an efficient Windows system optimizing program, it can do the following tasks, saving you a lot of time and energy. *One-click check computer health and boost itOSToto PC Speeder will do a health check of your computer with one click. After the check, you can intuitively see the general performance like memory usage, CPU occupancy, redundant processes, junk files, etc. Also, you can optimize all items by clicking the Optimize button.*Clean up your PC and make it more securescan your PC with one click to find all useless files, redundant plugins, invalid registry information, cookies, traces and more unused materials. *Fix registry problems to prevent computer crashes and glitchesOSToto PC Speeder is packed with Windows registry defrag feature. It will scan the Windows registry, then find errors & residual items, and then clean them up, which will effectively prevent Windows system crash and glitches. * Speed up computer to get a better performanceIt will identify the closable programs and list them to allow you to disable the programs easily. Plus, it will optimize memory to save resources, re-allocate CPU, optimize network parameter settings, and optimize startup items that is running silently* Packed with toolbox that provides you with various useful utilitiesUsers could enjoy the tools including: Network Monitor, Auto Shutdown, Network Tester, Driver Manager